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:

All guavas are not papayas.

Some guavas are mangoes.

Conclusions:

I. Some mangoes are not papayas.

II. All papayas are not guavas.