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

Q: Sentence: 'a person dressed all in black snowboarding down a slope'. Find frequency of the letter 'e'

A: 4
****
Q: Sentence: 'two indian women in colorful garb standing barefoot with two indian men'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'a one armed woman surfing in the ocean'. Find frequency of the letter 'i'

A:
2
****