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

Q: Sentence: 'two pepperoni pizzas and a cup on a counter'. Find frequency of the letter 'u'

A: 2
****
Q: Sentence: 'a lady mixes some things in a blender as people look on'. Find frequency of the letter 'i'

A: 3
****
Q: Sentence: 'a silver bus is parked in a lot'. Find frequency of the letter 'i'

A:
3
****