TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a silver television a black couch a table and some ceiling fans'. How many words contain the letter 's' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'an orange cat is lounging on a gray couch'. How many words contain the letter 'c' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a young man rides the waves on his surfboard'. How many words contain the letter 'a' in the sentence.

SOLUTION:
4