instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Giraffes have two horns and _ or three knobs.
answer:
two


question:
Coral reefs make up only _ per cent of the area of the Great Barrier Reef.
answer:
five


question:
Antidepressants have _ distinct mechanisms of action.
answer:

seven