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 busy train yard packed with trains and tracks'. How many words start with the letter 't' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a grey cat starring at a hand with a donut'. How many words start with the letter 'a' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a vehicle and some signs on a street'. How many words start with the letter 's' in the sentence.

SOLUTION:
3