How many children Ollie has?

How many children Ollie has?

The next task is a good example of a network-based logical problem. There are three logically possible answers and the problem goes like this: Ollie has four daughters, and each daughter has a brother. How many children that man has? The first two are straight logically inferred, and the third one, well there is a possibility that Ollie has made them with different women.

1) Zero, Ollie is a man, and men cannot give birth. In this case, the logic goes, that Ollie should give birth for those children himself. So the answer would be 0.

2) Five, that means that those four daughters have one brother. And that means Ollie has five children. In this case, the children are Ollie's dependents, and he is responsible for their needs.

3) Eight, in this case, every daughter has a boy couple, but that thing is a logically little bit limp. And that means that in this case, the question or tip in question should go "every daughter has four brothers".

The numbers six and seven are not suitable because that means that Ollie has two or three sons. In that case, the question or the tip in question should go "Ollie has four daughters and each daughter has two (or three), brothers. So this is one of the most fantastic logical thinking assignment, what I ever have seen.

Image: https://upload.wikimedia.org/wikipedia/en/thumb/f/f4/Oliver_Hardy_Portrait.jpg/220px-Oliver_Hardy_Portrait.jpg