sentence: Two people are riding horses down a trial the woman is in front. sentence:  They start off at a slow pace and then the woman on the white horse begins to go faster and the person behind her follows suit. sentence:  They are going down a nature trail of some sort, the leaves have fallen completely off the trees. sentence:  It's a pretty nice day out and the woman starts to slow down a bit at the end of the trail and the rider behind her starts to catch up.