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 group of parked bikes sitting on the side of a road'. How many words start with the letter 'o' in the sentence.

Answer: 3


Question: Sentence: 'a train station with a train sitting there waiting to be loaded'. How many words start with the letter 't' in the sentence.

Answer: 4


Question: Sentence: 'black and white photograph of potted plants and gardening tools'. How many words start with the letter 'a' in the sentence.

Answer:
2