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

[EX Q]: Lactation probably occurs for the first _ months after parturation.
[EX A]: two

[EX Q]: Reds mature well for six to _ years.
[EX A]: eight

[EX Q]: Penguins have _ seasons in their year, as follows.
[EX A]:
four