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 traffic light showing green signalstreet sign board is there'. How many words start with the letter 't' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'here is an asian standing by a yellow fire hydrant'. How many words start with the letter 'h' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a green double deck tour bus riding through a small street'. How many words start with the letter 'd' in the sentence.

SOLUTION:
2