text: Allen: Hey!! I have an important question for you... did you sign up for the Immunology lecture?
  Allen: Could you maybe tell me when we have the exam?
  Allen: I would be really grateful for this info.
  April: I'm signed up :) It's on the 5th March
  April: Sorry, that I'm answering so late but I only just got back home and I had to check my calendar.
  Allen: Thanks!! :D
  Allen: It's @ 10am in room B, right?
  April: No prob :)
  April: I think it's at 10, but I'll have to check the fb group
  April: I think it's worthc checking
  Allen: Will you let me know if it starts at a different time?
  April: Of course
  Allen: :)
  April: Tomorrow is the last lecture and I'm planning on going, I think they'll give up the official date then
  Allen: I'll also try to come, but I'll see how it goes with work... did they mention when the retakes are?
  April: I only have that information from the fb group, so I don't know
  Allen :( 
target: Allen wants to know the date of an Immunology exam. It's on the 5th of March. April will go to the last lecture tomorrow, because the official date will be given. There is no information about the retake.