text: Courtney: Have any of you been to the lecture about the Sapir-Whorf hypothesis?
  Liz: unfortunately not.
  Tracy: I have.
  Courtney: Is there any chance I could copy your notes from it?
  Tracy: yeah, sure, but there are also really comprehensive notes that we got form the older class.
  Courtney: Really? Where?
  Tracy: There was a post with the link on the fb group.
  Liz: <file_other>
  Courtney: Thank you so much!
  Liz: no probs ;)
  Tracy: No problem.
target: Courtney and Liz haven't been to Sapir-Whorf hypothesis lecture, while Tracy has. After Courtney asks for Tracy's notes, Tracy suggests notes from an older class.