SSC CHSL 2 July 2019 Shift 3 Paper

Two 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:
All women are engineers.
Some singers are engineers.
Conclusions:
I. All women are singers
II. All singers are women
III. Some engineers are women.