List three clues (with page references) given earlier in the novel that hint at Percy’s parentage. (3)

The water seemed to wake up my senses, as if I'd just had a bag of my mom's double-espresso jelly beans. (pg.127)

I'd made water shoot out of the bathroom fixtures. I didn't understand how. But the toilets had responded to me. I had become one with the plumbing. (pg. 99)

Clarisse bent me over on my knees and started pushing my head toward the toilet bowl. It reeked like rusted pipes and, well, like what goes into toilets. I strained to keep my head up. I was looking at the scummy water, thinking, I will not go into that. I won't.
Then something happened. I felt a tug in the pit of my stomach. I heard the plumbing rumble, the pipes shudder. Clarisse's grip on my hair loosened. Water shot out of the toilet, making an arc straight over my head, and the next thing I knew, I was sprawled on the bathroom tiles with Clarisse screaming behind me. (pg. 96)