TASK DEFINITION: In this task, you are given two phrases: Head and Tail, separated with <sep>. The Head and the Tail events are short phrases possibly involving participants. The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ). PersonX is always the subject of the event. You have to determine whether the Head happens before the Tail or not. Classify your answers into "Yes" and "No". The phrase may also contain "___", a placeholder that can be an object, a person, and/or an action.
PROBLEM: Head: PersonX asks the librarian<sep>Tail: PersonX finds the book with help

SOLUTION: Yes

PROBLEM: Head: PersonX acts in PersonY capacity<sep>Tail: to honor his dead commander

SOLUTION: No

PROBLEM: Head: PersonX studies PersonY's face<sep>Tail: PersonX sees PersonY's eyes are bloodshot red and decides to just forgive them due to lack of sleep

SOLUTION:
Yes