Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
All pens are erasers.
All erasers are sharpeners.
All sharpeners are markers.
Conclusions:
I. All erasers are markers.
II. All erasers are pens.
III. All markers are pens.
IV. All markers are erasers.
1
Neither conclusion I nor II follows.
2
Only conclusion I follows.
3
Both conclusions II and IV follow.
4
Only conclusion III follows.