dialogue: John: Hey Michael, have you seen my register?
  Michael: What does it look like?
  John: It got a picture of Messi on its cover. 
  Michael: Yeah i remember. I have seen this register.
  John: Where?
  Michael: I saw it with Ava.
  John: Oh yeah i remember . She waned to copy notes.
  Michael: There you go. Problem solved.
summary: John is asking Michael about his register. It is Ava who has it.