TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Bilinear interpolation uses a weighted average of the _ nearest pixels.

SOLUTION: four

PROBLEM: Lobsters have _ walking legs and two legs bearing claws.

SOLUTION: eight

PROBLEM: Neurological surgeons undergo six to _ years of rigorous training following medical school.

SOLUTION:
eight