Telangana PSC Group 1 Prelims 2023 Paper

Two statements followed by four conclusions numbered I, II, III and IV are given below. Read the statements carefully and then decide which of the given conclusions logically follows the given statements, disregarding the commonly known facts. 
Statements :
No tiger is elephant.
All elephants are lions.
Conclusions :
I. Some lions are tigers.
II. All lions are tigers.
III. Some lions are elephants.
IV. Some lions are not elephants.