During science lesson, Mr Simon was going through the different kinds of energy. He touched on sound energy and asked the class whether they used alarm clock.

Mr Simon: class, anyone use alarm clock in the morning?

Student J did not raise up his hand.

Mr Simon: so student J, who wakes you up in the morning?

Student J: the pigeons.

Overheard @ Willow class at BPSS by Si Jia