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

Q: Sentence: 'a couple of girls are hanging out at a restaurant'. Find frequency of the letter 'l'

A: 2
****
Q: Sentence: 'a picture of two computers on a table'. Find frequency of the letter 'r'

A: 2
****
Q: Sentence: 'many plates are arranged on display near a tall vase'. Find frequency of the letter 'g'

A:
1
****