TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'oranges are sitting in a bowl on a table'. Find frequency of the letter 'a'

SOLUTION: 5

PROBLEM: Sentence: 'a metallic stove top oven inside of a wooden kitchen'. Find frequency of the letter 'v'

SOLUTION: 2

PROBLEM: Sentence: 'a pizza that is sitting on a platter on a table'. Find frequency of the letter 't'

SOLUTION:
7