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 guy with a beard holds a white mug with strawberries on it in front of a microwave'. How many words start with the letter 'a' in the sentence.
answer:
4


question:
Sentence: 'a person in a body of water with a surf board'. How many words start with the letter 'b' in the sentence.
answer:
2


question:
Sentence: 'a bathroom is shown with a shower and a toilet'. How many words start with the letter 'i' in the sentence.
answer:

1