51.   The tournament is mentally taxing, and the conditions can change dramatically with the weather.

52.   There was no provision to adjust the price if market conditions changed.

53.   These days, the nuclear family is nothing special, and housing conditions have changed greatly.

54.   Those conditions are changing.

55.   Those conditions have not changed, it said.

56.   Thursday, however, Royal Lytham had no defense, and unless conditions change, the field will make another assault this morning.

57.   Those conditions have not changed.

58.   Track conditions change daily.

59.   Unless conditions change for the better, most golfers would take even-par and wait it out in the clubhouse.

60.   Unless countries around the world take action, they say, sea levels will rise, diseases will spread and growing conditions will change, causing widespread devastation.