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

[EX Q]: Dialogue is _ sides working together toward a common understanding.
[EX A]: two

[EX Q]: Men are _ times as likely as women to complete suicide.
[EX A]: three

[EX Q]: Mammals have _ sets of teeth, milk and permanent.
[EX A]:
two