In this task, you need to count the occurrences of the given word in the given sentence.
--------
Question: Sentence: 'a person taking a photo in a mirror'. Count the occurrences of the word 'person' in the given sentence.

Answer: 1


Question: Sentence: 'a black cat is sitting in a pot'. Count the occurrences of the word 'sitting' in the given sentence.

Answer: 1


Question: Sentence: 'two people on a motorcycle a man with baskets on a push cart'. Count the occurrences of the word 'a' in the given sentence.

Answer:
3