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

Q: Sentence: 'two elephants walking on cement next to wall'. Find frequency of the letter 'n'

A: 5
****
Q: Sentence: 'red chair next to side table with lamp in residential home'. Find frequency of the letter 'm'

A: 2
****
Q: Sentence: 'the cat is sitting inside a abandoned truck'. Find frequency of the letter 'r'

A:
1
****