In the question given below, two phrases in a sentence are highlighted which may or may not be correctly used. From the given choices choose the correct one(s) and mark the answer accordingly. Meanwhile, a group of conservative legislators have announced plans to introduce a constitutional amendment that would define marriage as between a man and a woman.
I. A group of conservative legislators have, that will define
II. A group of conservative legislators has, that would define
III. A group of conservative legislators have, that would be defined