Point at it and say "EWW"
Ignore it and then put hand sanitizer on your hands quickly with fear
Yell at him to get on the sidewalk.
Keep walking and act like you never saw him.
Think he was a jerk and wrote about him on emails and told everyone to forward it.
Read it secretly in a closet where she/he cant see you
Make a copy of a page and give it to everyone you know.
Laugh out loud to her and randomly bring up a part in her diary and say it out loud like it happened to you in your life.
Go in with a flashlight and check it out before anyone sees you.
Check the place out and shoot all the bats.
Play tag with your friend and the bats inside.