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 rivers are oceans.
All oceans are beaches.

Conclusions:
I. Some rivers are beaches.
II. All oceans are rivers.

A

Only conclusion II follows

B

Both conclusions I and II follow

C

Neither conclusion I nor II follows

D

Only conclusion I follows