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

Q: Sentence: 'a baby elephant walks beside an adult elephant along a post and cable'. Find frequency of the letter 'l'

A: 6
****
Q: Sentence: 'man in a sleeping bag on the floor using a laptop computer'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'a street sign for battery plaza, and a one way street sign'. Find frequency of the letter 's'

A:
4
****