Mark the following sentences as having a C (Correct) or I (Incorrect) use of a colon.

1. Their next meeting will cover a number of items, including: teaching careful reading, close reading, close listening, and integrating material from outside sources.
2. On this tour, they plan to see a number of highlights: Lincolns birthplace, the Sears Tower, Navy Pier, and the University of Chicago.
3. In Washington, D.C., the three places Ann especially enjoyed were: Mt. Vernon, the Lincoln Memorial, and the Smithsonian Institution.
4. Alma tried to make healthier choices, such as: eating organic food, walking to work, and getting plenty of rest.
5. Gandhi urged four rules: tell the truth even in business, adopt more sanitary habits, abolish caste and religious divisions, and learn English.
6. Students can achieve success in college through a number of means: following directions carefully, completing assignments in a timely manner, attending classes regularly, reading assigned material.
7. Hikers should make a list of equipment to include: a flashlight, a small ax, and a waterproof tarp.
8. Most professors urge students to attend class: this is an almost-sure guarantee of success.
9. The hikers equipment should consist of: a flashlight, a small ax, and a waterproof tarp.
10. Their next meeting will cover a number of items which include: teaching careful reading, close reading, close listening, and integrating material from outside sources.