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 airplane sitting on a tarmac with work trucks close by'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a group of people and cow outside of a hut'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'two skiers are sliding down a slope close to eachother'. How many words start with the letter 's' in the sentence.
answer:

3