In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Trees can also be air layered but air layering usually takes four to _ months to be successful.
[EX A]: six

[EX Q]: Education wastes about _ thirds of the talent of society.
[EX A]: two

[EX Q]: Hematologic tests are negative with _ signs of sepsis.
[EX A]:
no