In this question a few conclusions are drawn from two or more given statements. It is based on deductive reasoning rather than inductive reasoning. You have to consider the given statements to be true, even if they are different from established facts and accordingly choose the right answer.
Statements:
I) No candy is a pizza
II) No pizza is a burger

Conclusions:
I) No candy is a burger
II) All burgers are candies

Neither I nor II follows

Here, relation between candy and burger is not clear, therefore, Conclusions I :No candy is a burger, is doubtful. Hence, in this case always follow "no follow" option.

It is clear from the above figure that:

The conclusions neither I nor II follows.