(1) I am glad that our city has a public bus system. (2) The buses take me where I need to go, and the student fare is inexpensive. (3) However, I wish that the buses were not so crowded. (4) I often have to stand all the way home because there are no seats. (5) Especially during the evening rush hour. (6) The city needs to buy more buses so that more seats are available to bus riders. Which revision most effectively corrects the underlined sentence fragment?