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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 combs PersonY's hair<sep>Tail: PersonX shampoos the hair

SOLUTION: Yes

PROBLEM: Head: PersonX decides to make PersonY's breakfast in bed<sep>Tail: PersonX goes to see PersonY

SOLUTION: Yes

PROBLEM: Head: PersonX gets older<sep>Tail: PersonX has a long year

SOLUTION:
Yes