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 us air force sitting on a runway near a field'. How many words start with the letter 'a' in the sentence.
answer:
4


question:
Sentence: 'decorative objects on a counter in front of a framed picture'. How many words start with the letter 'o' in the sentence.
answer:
3


question:
Sentence: 'a bunch of cars that are on a street'. How many words start with the letter 's' in the sentence.
answer:

1