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: 'two elephants with people riding on them next to block barriers'. How many words start with the letter 'o' in the sentence.
answer:
1


question:
Sentence: 'people crowd around the fence to watch skateboarders do tricks'. How many words start with the letter 'p' in the sentence.
answer:
1


question:
Sentence: 'a train traveling down tracks next to a forest'. How many words start with the letter 'n' in the sentence.
answer:

1