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

[EX Q]: Cluster flies are covered with fine golden hairs and have _ stripes on the thorax.
[EX A]: no

[EX Q]: Puppies can start vaccinations at _ weeks.
[EX A]: six

[EX Q]: Rainwater is the prime source of freshwater on the Island, there being _ rivers or streams.
[EX A]:
no