text: Ann: Do u know what time John will be back?
  Mike: I have no idea.
  Mike: Why?
  Ann: I want to visit him, but I don't want to call him because of his mom :(
  Mike: I see…
  Mike: I'll call u later!
  Ann: ok, thx :*
target: Mike doesn't know when John will be back. Ann wants to visit John, but doesn't want to call him because of his mom. Mike will call Ann later.