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: 'the zebra is walking through the tall brown grass'. How many words start with the letter 't' in the sentence.
answer:
4


question:
Sentence: 'a group of people that are by and elephant'. How many words start with the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a man in red and black jacket snowboarding on slope'. How many words start with the letter 'o' in the sentence.
answer:

1