text: Greg: just one thing to point out
  Nancy: yes?
  Greg: You need to watch out while doing the assignment
  Greg: Clarkson is very attentive to all spelling mistakes
  Nancy: Ok, thanks
  Nancy: How about the syntax and semantics?
  Greg: He'll spot each and every mistake :)
target: Greg warned Nancy that Clarkson is very attentive and he will spot every mistake.