text: Jack: OMG this is mind numbing!
  Zoe: I know! Can she not move on from this subject? We get it already!
  Jack: Ugh, so get it!
  Zoe: It's not like we didn't have it for a reading assignment. Geez!
  Jack: I'm going to fall asleep. I swear!
  Zoe: We better not get caught texting!
  Jack: True. L8R.
target: Zoe and Jack are texting during class.