Two statements are given followed by three by 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:

Some ants are bats.

Some ants are crabs.

Conclusions:

I. Some bats are crabs.

II. No crab is ant.

III. No bat is crab.