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. All mangoes are not bananas.

2. Some mangoes are guavas.

Conclusions:

I. Some guavas are not bananas.

II. All bananas are not mangoes.