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.

Q: Sentence: 'a boat in a canal and a peddled bike taxi cart in snow with residences'. How many words start with the letter 'a' in the sentence.

A: 4
****
Q: Sentence: 'a living room with a computer desk and a laptop'. How many words start with the letter 'l' in the sentence.

A: 2
****
Q: Sentence: 'a group of zebras standing around and grazing in a field'. How many words start with the letter 'z' in the sentence.

A:
1
****