(HELP ME SIGNAL PHRASES ENGLISH ASSIGNMENT) Which of the following best describes the proper use of a signal phrase?

1) A signal phrase may appear before, in the middle, or after researched information you are sharing.

2) A signal phrase should appear before the researched information you are sharing.

3) A signal phrase should appear in the middle of the researched information you are sharing.

4) A signal phrase should appear after the researched information you are sharing.

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.