Answer:
(a) The grass is not green.
(b) Nothing can be concluded about squirrels.
Step-by-step explanation:
(a) If squirrels cannot fly, then the you can conclude that the grass is not green, because if the grass was green, then squirrels would be able to fly.
(b) By discovering that the grass is not green, nothing can be concluded regarding squirrels. The statement says that squirrels can fly if the grass is green which doesn't necessarily mean that they can't fly if the grass is not green.
