In this task, you need to count the number of times the given letter appears in the given sentence.

Q: Sentence: 'a person is water skiing and there are birds flying around above them'. Find frequency of the letter 'n'

A: 5
****
Q: Sentence: 'a surfer is in the middle of an ocean wave'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'two white toilets sit side by side in a restroom area'. Find frequency of the letter 'a'

A:
3
****