The cowboys horse was tired, so the man dismounted his steed.

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."

Okay that’s long not sure i can write that long but one think the paragraph sixteen is that there are repedative words