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.

Sentence: 'a ladder sitting up against a red wall in a room'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'car pass threw a green light in the day light'. How many words start with the letter 'd' in the sentence.
1

Sentence: 'a traffic light with a red light and an arrow pointing to the right'. How many words start with the letter 't' in the sentence.

3