41.   Preventive medicine often involves making a best guess based on less than complete scientific information.

42.   Psychoanalyzing a political movement guarantees a fresh wave of hate mail, but my best guess is that the passion of my correspondents is ultimately fueled by cultural unease.

43.   Quesenbury said the best guess for the name was that members heard a dove call during the first service.

44.   So Enron had to make its best guess at the value.

45.   So, where the causes of sleepwalking are concerned, we are left with best guesses.

46.   So it is only a best guess that these elephants came from Congo and are fleeing fighting, apparently crossing over the border just south of Lake Edward.

47.   The best guess is part collie, part husky.

48.   The best guess is that after the next election, there will be nine Republicans and six Democrats.

49.   The best guess is that all three might fall into the late first round.

50.   The best guess is that more polyps are being cut out earlier, somewhat better treatments may be helping, or dietary changes and exercise may play a role.