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.
--------
Question: Sentence: 'a close up of a traffic light on a city street'. How many words start with the letter 'a' in the sentence.

Answer: 3


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

Answer: 2


Question: Sentence: 'a picture of some delicious pizza ready to be eaten'. How many words start with the letter 'd' in the sentence.

Answer:
1