SSC CPO Tier 1 Exam 04 Oct 2023 Shift 1

Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
Some elephants are fishes.
No fish is a tiger.
All deer are tigers.
Conclusions:
I. Some elephants are deer.
II. No elephant is a tiger.
III. No deer is a fish.