Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
1. Some apples are rocks.
2. Some peanuts are crows.
3. All rocks are crows.
Conclusions:
I. Some rocks are peanuts.
II. Some crows are apples.

​Statements:
1. Some apples are rocks.
2. Some peanuts are crows.
3. All rocks are crows.

​Conclusions:
I. Some rocks are peanuts. (False, there is no direct or indirect relation between rocks and peanuts).
II. Some crows are apples. (True, some apples are rocks and all rocks are crows, that means some crows are apples).

So, ​Only conclusion II follows.

Thus, correct option is (a).