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

Q: Sentence: 'a group of people walking down a rain soaked street with umbrellas'. Find frequency of the letter 'w'

A: 3
****
Q: Sentence: 'a mixed bouquet of flowers in a glass vase set before a window'. Find frequency of the letter 'w'

A: 3
****
Q: Sentence: 'two large pizzas sitting on wire cooling racks'. Find frequency of the letter 'w'

A:
2
****