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 bathroom with a toilet with a blue seat'. How many words start with the letter 'b' in the sentence.
answer:
2


question:
Sentence: 'a picture of a zebra that is walking in the grass'. How many words start with the letter 'z' in the sentence.
answer:
1


question:
Sentence: 'a small bedroom picture taken through a fisheye lens'. How many words start with the letter 'f' in the sentence.
answer:

1