Three statements are given, followed by three conclusions numbered I, II and III. 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:
I. All grounds are plane.
II. Some planes are covered.
III. All covered are wets.
Conclusions:
I. Some wets are plane.
II. Some wets are grounds.
III. Some planes are grounds.