Q. Ten new television shows appeared during the month of September. Five of the shows were sitcoms, three were hour-long dramas, and two were news-magazine shows. By January, only seven of these new shows were still on the air. Five of the shows that remained were sitcoms.

1. Only one of the news-magazine shows remained on the air.
2. Only one of the hour-long dramas remained on the air.
3. At least one of the shows that was cancelled was an hour-long drama.
4. Television viewers prefer sitcoms over hour-long dramas.