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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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.

Ex Input:
Head: PersonX accidentally fell<sep>Tail: to not be hurt

Ex Output:
No


Ex Input:
Head: PersonX acts quickly<sep>Tail: to escape from him

Ex Output:
No


Ex Input:
Head: PersonX claps PersonY on the back<sep>Tail: PersonX watches PersonY win a race

Ex Output:

Yes