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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 after 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 continues reading random ne<sep>Tail: PersonX buys the newspaper

SOLUTION: Yes

PROBLEM: Head: PersonX achieves PersonX's ends<sep>Tail: to be persistent

SOLUTION: No

PROBLEM: Head: PersonX acts on PersonY's behalf<sep>Tail: PersonY's stress reduces so there muscles relax

SOLUTION:
No