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.

Sentence: 'a terrier in a black and light brown far next to each other'. How many words start with the letter 'b' in the sentence.
2

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

Sentence: 'a herd of elephants walking in a field'. How many words start with the letter 'f' in the sentence.

1