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

Q: Sentence: 'men standing in the grass with a frisbee'. Find frequency of the letter 'a'

A: 3
****
Q: Sentence: 'some giraffes moving across a big grass field'. Find frequency of the letter 'e'

A: 3
****
Q: Sentence: 'there are many cars on the road by the tall buildings'. Find frequency of the letter 'a'

A:
5
****