Which text uses the word random in its traditional sense?
A: The final challenge of the contest was really random: participants had to choose three restaurants in town and serenade diners as they ate.
B: For the final challenge of the contest, participants had to choose three random restaurants in town and serenade diners as they ate.
The first text uses random in its traditional sense: made or occurring without a definite pattern.
For the final challenge of the contest, participants had to choose three random restaurants in town and serenade diners as they ate.
The second text uses random in its nontraditional sense: odd or out of place.
The final challenge of the contest was really random: participants had to choose three restaurants in town and serenade diners as they ate.
Most style guides recommend to avoid using the nontraditional sense of the word random because it is generally considered incorrect.