TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a table topped with a cupcake on a picture of a cupcake'. Find frequency of the letter 'o'

SOLUTION: 3

PROBLEM: Sentence: 'a large formal living room with yellow couches and table'. Find frequency of the letter 'v'

SOLUTION: 1

PROBLEM: Sentence: 'a big bowl with berries and nuts and a wooden spoon'. Find frequency of the letter 'n'

SOLUTION:
5