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:
Only a few Adults are Plumbers.
Only a few Plumbers are Taxi drivers.

Conclusions:
I. Some Adults are Taxi drivers.
II. All Plumbers can never be Taxi drivers.