Directions: In the question below are given three statements followed by three conclusions numbered I,II and III. 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: Some keys are locks.
All locks are doors.
Some doors are windows.
Conclusions: I. All keys are locks .
II. Some doors are locks.
III. No window is a key.
1] Only I follows
2)Only II follows
3) Only eithers I or III and II follow
4) only either I OR III follows
5) None of these

Explanation

2, Only II follows