SSC GD Constable 15 Feb 2019 Shift 1 Paper

The statements below are followed by two conclusions labelled I and II. Assuming that the information in the statements is true, even if it appears at variance with generally established facts, decide which conclusion(s) logically and definitely follow(s) from the information given in the statements.
Statements:
I. All mustards are corns.
II. All corns are olives.
Conclusion:
I. All mustards are olives.
II. Some olives are mustards.