In each of the questions below are given three statements followed by four conclusions A, B, C and D. You have to take the given statements to be true even if they seem to be at variance from 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.
St. I All sparrows are pigeons.
St. II No pigeon is parrot.
St. III Some parrots are crows.
Con A No sparrow is parrot.
Con B Some sparrows are crows.
Con C All pigeons are sparrows.
Con D Some parrots are crows.