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: 'person surfing in the sea on the surfboard'. How many words start with the letter 's' in the sentence.
answer:
3


question:
Sentence: 'on one plate there is glazed donut and on the other plate there is mug of hot chocolate with a leaf shape swirled in it'. How many words start with the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a group of decorative vases filled with flowers'. How many words start with the letter 'f' in the sentence.
answer:

2