is your friend
Sé que Tom es tu amigo, pero no me agrada mucho de todas formas.
I know Tom is your friend, but I don't really like him anyway.
Where is your friend from?
Tom es tu amigo, ¿no?
Tom is your friend, right?
Porque es tu amigo y tú eres razonable.
Because he's your friend and you're reasonable.
— Sueño de fuga (1994)
Sé que Tom es tu amigo.
I know Tom is your friend.
Tom no es tu amigo.
Tom is not your friend.