41.   That was the main topic of discussion for the players between periods.

42.   The main topic of conversation is the food, which all agree is terrible.

43.   The main topic was the collective bargaining agreement.

44.   The Israeli-Syrian negotiations were the main topic of their discussions, but the two leaders also discussed two other issues of importance to both countries.

45.   The merger was the main topic of conversation at the Toledo plant.

46.   The main topic covered was the mysterious death last summer of Vincent Foster, deputy counsel in the White House.

47.   The main topic of conversation was tomatoes.

48.   The main topic of the argument was playing time, according to witnesses.

49.   The NAACP challenge was a main topic during three weeks of Television Critics Association news conferences with network executives, show creators, writers and stars.

50.   The main topic of conversation, of course, is the war in Afghanistan.