In this task, you need to count the occurrences of the given word in the given sentence.

Q: Sentence: 'a cat is standing on a green bench looking on'. Count the occurrences of the word 'a' in the given sentence.

A: 2
****
Q: Sentence: 'a plate of salad on a table containing tuna spinach and carrot'. Count the occurrences of the word 'a' in the given sentence.

A: 2
****
Q: Sentence: 'a man is riding a bike while holding an umbrella'. Count the occurrences of the word 'is' in the given sentence.

A:
1
****