In each group of questions below are two/ three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the two/three statements disregarding commonly known facts.

Give answer a: if only conclusion I follows.
Give answer b: if only conclusion II follows
Give answer c: if either conclusion I or conclusion II follows.
Give answer d: if neither conclusion I nor conclusion II follows.
Give answer e: if both conclusions I and II follow.