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

Q: Sentence: 'a woman in yellow dress standing next to a horse'. Find frequency of the letter 'l'

A: 2
****
Q: Sentence: 'salad and vegetables with me on top of plate'. Find frequency of the letter 'o'

A: 3
****
Q: Sentence: 'a large propeller plane sitting on the airfield'. Find frequency of the letter 'e'

A:
6
****