The task is to generate text based off of an event. For the given event, there will be a person who does the action in the event (usually PersonX). Your task is to write that persons intent behind doing the event, i.e. why did the person do that action.

PersonX is playing basketball with PersonY's friends
be physically fit

PersonX builds PersonY's ___ upon a rock
to build a safe house

PersonX performs PersonY function

help out persony