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 person on skis goes across a snowy slope'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a man that has a tennis racket by a court'. How many words start with the letter 'h' in the sentence.
answer:
1


question:
Sentence: 'a man flies a large kite in a city park'. How many words start with the letter 'a' in the sentence.
answer:

3