In each of the questions below are given three statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements :
All dogs are rats.
All rats are crows.
All crows are parrots.
Conclusions :
I. All dogs are parrots.
II. Some parrots are dogs.
III. Some crows are dogs.
IV. All rats are dogs.



[ A ]    I and II follow
[ B ]    I, II and III follow right
[ C ]    Either II or IV follow
[ D ]    Either I or II and III follow
[ E ]    None of these
Answer : Option B
Explanation :
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