Questions I Have?

Joanna's cousins and aunt and uncle are here for the a few days. They come every year and we have a really fun time with them. Her cousins (Becca, Laura, and David) plus Joanna's sister Erin (who is in town from California) are staying with us . Last night, I opened the shower curtain to get in the shower and I saw something in the floor of the shower. I picked it up and found that it was an orange seed. Finding this caused many question to immediately cross my mind.

Why would anybody have an orange in the bathroom?

Did the person eat the orange while bathing?

Did the person bathe with the orange to get that nice citrus scent?

Did the person eat an orange while using the bathroom and spit the seed in the shower?

When I got out of the shower, I told everyone what I found and nobody admitted anything. Alas, I will have to chalk it up as a mystery.

Here is the scene of the crime

This is a reenactment of the crime itself.