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.

Question: Only one of the hour-long dramas remained on the air.
Options:
A. true, B. false, C. uncertain
Answer: "C"