instruction:
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 little boy that is sitting down with a phone'. How many words start with the letter 'p' in the sentence.
answer:
1


question:
Sentence: 'a young boy hits a baseball during a game'. How many words start with the letter 'd' in the sentence.
answer:
1


question:
Sentence: 'sea of umbrellas outside the hong kong science museum'. How many words start with the letter 's' in the sentence.
answer:

2