We need to write an SEO-friendly HTML article about "Mac Allister First Day At Liverpool". Wait Mac Allister? Actually context mentions Alexis (Mac Allister? Maybe it's a mis-typo? But article should be about Mac Allister's first day at Liverpool? But context references Alexis, World Cup winner and Argentina international Alexis. Maybe Mac Allister refers to "Alejandro Mac Allister"? Actually there's a footballer "Mac Allister" maybe "Mac Allister" is a nickname? Wait, there is a player "Mac Allister" maybe "Mac Allister" is a name? Actually "Mac Allister" might be "Mac Allister" not known. But context: "Go behind-the-scenes with the Reds' newest signing, Alexis". So maybe it's about Alexis Mac Allister? But there is a player "Alejandro Mac Allister"? I think the article might be about "Mac Allister First Day At Liverpool" but the context mentions "Alexis" which is a different player. However, maybe "Mac Allister" is a misinterpretation for "Mac Allister" as a new signing? Wait, there is "Mac Allister" not a known player. But we could treat "Mac Allister" as a nickname for "Alejandro Mac Allister" maybe a midfielder? But I think the article should focus on "Alexis" maybe "Alexis Mac Allister"? Actually "Alexis" is a world cup winner and Argentina international. But we need to write about "Mac Allister First Day At Liverpool". Could be about "Mac Allister" which is a new signing? But context includes "Go behind-the-scenes with the Reds' newest signing, Alexis". So maybe "Alexis" is the new signing, not "Mac Allister". But the keyword is "Mac Allister First Day At Liverpool". Maybe we should combine? Wait, maybe "Mac Allister" refers to "Mac Allister" is a new signing? Actually there is a player "Mac Allister" maybe "Mac Allister" is a mis-typo for "Mac Allister"? Let's search memory: "Mac Allister" not known. "Mac Allister" maybe "Mac Allister" is a new signing for Liverpool? Not yet. But maybe the article is about "Mac Allister", a young Argentine? There is "Mac Allister" maybe "Mac Allister" is a nickname for "Mac Allister"? Eh. But we can produce article about "Mac Allister First Day At Liverpool" referencing behind-the-scenes with new signing Alexis, world cup winner etc. Could be a combination: "Alexis Mac Allister" maybe a new signing? Actually there is "Alexis Mac Allister" not known. But "Alexis" is a world cup winner. So maybe the article is about "Alexis Mac Allister" as a world cup winner? Wait, there is "Alexis Mac Allister"? No. Alternatively maybe "Mac Allister" is a nickname for "Mac Allister", a new signing for Liverpool? But we can write article about "Mac Allister's first day at Liverpool" and mention behind-the-scenes with Alexis and Dominik Szoboszlai. The article can be about the day of the new signing, and mention other new signings. Use the given context. Provide 600-900 words. Let's produce about 700 words. Use h2, h3, p, ul, ol, li, strong, em tags only. Avoid markdown fences. Provide SEO-friendly. Let's write. We need to use "Go behind-the-scenes with the Reds' newest signing, Alexis". That might be a phrase. Use "Go behind-the-scenes with Dominik Szoboszlai as the Hungarian undergoes medical and media requirements following his…". Let's incorporate those. Also mention "I was invited to the house of". And "Love this video? We've got even more for you to enjoy on the Premier League App iOS: https://preml.ge/PLAppYT Android: ...". We should not mention AI. Provide safe HTML. Let's craft article: Title h2? Maybe h1 not allowed. Use h2 for title. Provide introduction. Then sections: "Arrival at Anfield", "Medical and Media Requirements", "Training Session", "Meeting the Squad", "Behind-the-Scenes with Alexis", "Behind-the