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: 'post it notes scissors and glue stick on a table'. How many words start with the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a closeup picture of a polar bears head'. How many words start with the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'a boy in a blue tries to catch a baseball while a boy with a red helmet slides to touch the base'. How many words start with the letter 'b' in the sentence.
answer:

5