text: Colin: Hi. How was your day at school?
  Tom: Good.
  Colin: The test?
  Tom: I should get a pass.
  Colin: Was it difficult?
  Tom: A little. 
  Colin: You're not very talkative. Are you ok?
  Tom: Yeah, it's fine. I'm just in a bad mood.
  Colin: Can I help?
  Tom: Thanks, dad. It's OK. Say hello to mom and enjoy your holidays.
  Colin: Take care!
  Tom: You too.
target: Colin is on holidays with mom and is checking on Tom how he's doing at school.