The conversation between human and AI assistant.
[|Human|] Extract and list the names of characters a player can control in The Last of Us mentioned in the paragraph. Also describe relationships between those characters.
[|AI|] Joel: The man who is controlled by the player most of the game.
Ellie: A young girl who is being escorted by Joel across a post-apocalyptic United States.
Sarah: Joel's daughter.
[|Human|] 
Extract and list the names of characters a player can control in The Last of Us mentioned in the paragraph. Also describe relationships between those characters.