instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Digoxin works in _ ways.
answer:
two

question:
Planaria has rudimentary eyes which produce _ images but detect direction.
answer:
no

question:
Maxillary molars have _ buccal cusps and two lingual cusps.
answer:
two