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

Q: Sentence: 'two people under an umbrella while walking down a sidewalk'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'man is snow gear and skis skiing in the snow'. Find frequency of the letter 'i'

A: 5
****
Q: Sentence: 'a cape decorated like a baseball, bat and glove'. Find frequency of the letter 'e'

A:
6
****