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

[EX Q]: Ticks mature in _ stages, moving from egg to larva and nymph to adult.
[EX A]: four

[EX Q]: House wrens are small birds, four and a half to _ and a four inches in length.
[EX A]: five

[EX Q]: Pears are oriented stem-down into _ feed cups.
[EX A]:
six