SSC CGL 31 Aug 2016 Paper

One or two statements are given followed by two or more conclusions/assumptions, I, II, III and IV. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusions/ assumptions can definitely be drawn from the given statements.
Statements :
1. All goats are tigers.
2. All tigers are lions.
Conclusions :
I. All tigers are goats.
II. All lions are tigers.
III. No goat is a lion.
IV. No lion is a goat.