Leo: If "On a rainy day." does that mean that "A biker in biking gear grins and holds his bike above his head triumphantly while british-looking cars drive by on a wet road to the right."?
Options:
- yes
- it is not possible to tell
- no
Mei: OK, So, let's think first...
Me:
A biker is holding his bike in the rain to show off.
Thus, the answer is it is not possible to tell.