text: Peter: When did you last time see Eric?
  Paul: I think about a month ago
  Peter: Me too...
  Peter: At Brenda's birthday
  Paul: That's strange
  Paul: He never skipped trainings
  Peter: First I thought he was sick 
  Peter: I even sent him a message to see if he was ok
  Peter: "I'm fine, mate"
  Peter: This is what he wrote
  Peter: Nothing more
  Paul: Maybe he's having difficult time
  Paul: But I have no idea why would that be
  Peter: Maybe we should visit him
  Peter: He was never really close to me but I'm worried
target: Peter and Paul saw Eric last time a month ago at Brenda's birthday. Peter sent him a message, but Eric was laconic.