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

Q: Sentence: 'a bed with a dog laying on it next to two laptop computers'. Find frequency of the letter 'n'

A: 3
****
Q: Sentence: 'a young man with glasses on is taking a big bite'. Find frequency of the letter 's'

A: 4
****
Q: Sentence: 'a woman throwing a frisbee on a field'. Find frequency of the letter 's'

A:
1
****