TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a cellphone mounted to a dashboard of a car'. How many words contain the letter 'p' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a couple sitting on seats on a train'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a pair of people dressed up as mickey and pooh with balloons for animals'. How many words contain the letter 'i' in the sentence.

SOLUTION:
4