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

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

A: 4
****
Q: Sentence: 'a man makes some cock tales at a desk'. Find frequency of the letter 'k'

A: 3
****
Q: Sentence: 'a man holds a camera and takes a picture'. Find frequency of the letter 'r'

A:
2
****