text: Lisa: I have a feeling John is cheating on me...
  Lia: Why?
  Mary: Really? What happened?
  Lisa: He's behaving strangely. 
  Lia: Coming home late?
  Lisa: Not that. He's ignoring me. He's been very cold to me.
  Mary: Maybe he's stressed and doesn't want to share it...
  Lisa: I don't know...
target: Lisa is worrying about John's behavior as he's been cold to her. She's afraid he may be cheating on her.