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

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

A: 3
****
Q: Sentence: 'a woman is taking a sip of a drink from a glass'. Find frequency of the letter 'i'

A: 4
****
Q: Sentence: 'grandfather clock standing in corner near large paintings in sitting area'. Find frequency of the letter 's'

A:
3
****