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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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, as a result of the Head, PersonX wants what is mentioned in the Tail or not. In this task, wanting is a postcondition desire on the part of PersonX, respectively. As a result of PersonX giving PersonY gifts, PersonX may also desire to hug PersonY. 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.
Example: Head: PersonX arranges a date<sep>Tail: to find a nice restaurant.
Example solution: Yes
Example explanation: This is a good example. As a result of the Head, PersonX wants to find a nice restaurant.

Problem: Head: PersonX exerts PersonY effect<sep>Tail: to make a demonstration

Solution: Yes