41.   He added that dogfighting, by contrast, is less organized and more likely to occur as a pickup match.

42.   He included the possibility that signals seen on test strips were not indicators of contamination but visible signals that can occur as part of the testing process.

43.   Hodack said that if the killings had occurred as part of a robbery, the gunman would not have gotten much money.

44.   Ideally, the most effective anti-HIV drugs would safely keep the virus in check for a lifetime and prevent development of infections that occur as complications of AIDS.

45.   In the past two years, infections that occur as complications of HIV have sharply fallen, thanks to powerful new AIDS drugs.

46.   Instead, it occurs as a kind of punctuation, to reflect natural pauses in speech.

47.   In the West, clouds and spotty rain will occur as cooler air spreads over northern Idaho and Montana.

48.   It occurs as fibrous crystals.

49.   It might have ended that way, except that it occurred just as concern about sweatshops was rising in the United States.

50.   Masters was walking under the freeway underpass where the shooting occurred as part of a route he took every night, Cohen said.