TASK DEFINITION: In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.
PROBLEM: Sentence: 'a young man wearing glasses with a tooth brush in his mouth'. How many words start with the letter 'b' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a bathroom that has a toilet and window in it'. How many words start with the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a black bear naps under a twisted tree'. How many words start with the letter 't' in the sentence.

SOLUTION:
2