if you eat green vegetables, you do not need vitamin shots. (i) You need vitamin shots. (ii) You do not need vitamin shots. (iii) You ate green vegetables. (iv) You do not eat green vegetables.
Correct Answer: Only (i)
Explanation:
The statement is of the type 'if A then B, if not B then not A' where A is 'eat green vegetables' and B is 'do not need vitamin shots'.
