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

Q: Sentence: 'group of snowboarders on a snowy trail overlooking a mountain'. Find frequency of the letter 'r'

A: 5
****
Q: Sentence: 'a boy catching a frisbee while standing ins bunch of leaves'. Find frequency of the letter 'a'

A: 5
****
Q: Sentence: 'a giraffe is standing in the middle of the field with its baby'. Find frequency of the letter 'm'

A:
1
****