In the following question, two statements are followed Some teachers are researchers.

In the following question, two statements are followed by two conclusions. you have to assume the given statements to be true, even if they seem to be at variance with commonly known facts. Read both the conclusions and then decide which of the given conclusions logically follows from the Statements.
Statements:
Some teachers are researchers.
No researchers is lazy.
Conclusions:
(I) Some teachers are not lazy.
(II) All teachers are not lazy.