The question contains some statements followed by some conclusions. Decide which of the given conclusions logically follow from the given statements, disregarding commonly known facts.
Statements :
All birds are dogs
No dog will bark
Conclusion :
I. Some barking things are birds.
II. No bird will bark.

A. If only I follows

B. If only II follows

C. If either I or II follows

D. If neither I nor II follows

E. If both I and II follow

Answer : B. If only II follows

Explanation:

Conclusion I, positive, does not follow. Conclusion II, negative, follows. As negative conclusion II is “some barking things are birds”, we cannot draw an alternate diagram for conclusion II, Hence II follows.

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