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

Q: Sentence: 'a couple of boys in a field playing baseball'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'the interior of a living and dining room'. Find frequency of the letter 'i'

A: 6
****
Q: Sentence: 'a female in a blue and white bikini is holding a yellow board'. Find frequency of the letter 'k'

A:
1
****