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 walking on a street with a umbrella'. How many words start with the letter 's' in the sentence.
answer:
1


question:
Sentence: 'a bunch of people in a metropolitan area with umbrellas walking on a sidewalk next to buildings'. How many words start with the letter 'p' in the sentence.
answer:
1


question:
Sentence: 'three horses stand in a field near some trees'. How many words start with the letter 't' in the sentence.
answer:

2