"Did you fly today?" Xiaojiu squatted on the ground and poked the man next to her.
The man looked at Xiaojiu seriously, "What if I can't fly?"
Xiaojiu touched his chin, "Then can I solve it?"
The man stood up quickly and said, "I think it can still be rescued."
"Okay!" What a pity...
Concept: All birds should be able to fly. If you can't fly, it may be a genetic mutation.