: In this question below, some statements are given followed by some conclusions. You have to assume everything in the statements to be true even if they seem to be at variance with commonly known facts. Now, decide which of the two given conclusions logically follow from the statements, disregarding commonly known facts.

Statements:
Only trains are planes.
Some cars are trains.
All cars are ships.
Conclusions:
I. Some planes being ships is a possibility.
II. All trains can never be cars.

Correct option is B

Sol. I. Not follow: The relation of planes is restricted with other elements except trains. So, the relation will not follow even in possibility.
II. Follow: The part of trains which is planes will never be ships.