Two statements are given followed by two conclusions numbered I and II.
Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:
Some vehicles are helicopters.
All helicopters are cars.

Conclusions:
I. All vehicles are cars.
II. Some vehicles are cars.

A

Neither conclusion I nor II follows

B

Only conclusion II follows

C

Only conclusion I follows

D

Either conclusion I or II follows