Input (grade 12): In mid-1982, Walters and his girlfriend, Carol Van Deusen, purchased 45 eight-foot weather balloons and obtained helium tanks from California Toy Time Balloons.
Output (grade 7): In 1982, Walters and his girlfriend, Carol Van Deusen, bought 45 eight-foot weather balloons. They got helium tanks from California Toy Time Balloons.