instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Most smokers try to quit at least _ or six times before they succeed, researchers say.
answer:
five


question:
Degradation is a result of _ simultaneous processes.
answer:
two


question:
Dioxins have _ phenyl rings connected by two oxygen atoms.
answer:

two