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

Q: Sentence: 'children with scissors and construction paper in a school classroom'. Find frequency of the letter 'c'

A: 6
****
Q: Sentence: 'a blue tripocal bird is perched on a wooden fence'. Find frequency of the letter 'd'

A: 3
****
Q: Sentence: 'buffet-style food on a table, including bread, cheese, and vegetables'. Find frequency of the letter 's'

A:
3
****