Science is about the world.

A Singaporean teacher asks Xiao Bao,
"Which one of the following 3 things is a vegetable? Your choices are 1. Milk 2. Egg and 3. Potato. "

Xiao Bao replies earnestly, "Actually ah teacher, only milk is not vegetable leh."

"Are you sure? Please think again ok Xiao Bao?" The teacher queries.

After some deliberation, the student answers,
"Really la. I very sure. Cos i always go hawker centre order the Cai Fan and the uncles always tell me that potato and egg count as vegetable."