MP Police Constable 16-Jan-2022 Shift 1 Solved Paper

Two statements are given, followed by four 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.
Statement:
All test are corona.
No test are positive.
Conclusions:
I. No positive are test.
II. some corona are test.
III. Some test are not positive.