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

Q: Sentence: 'two kids on a tennis court playing tennis'. Count the occurrences of the word 'playing' in the given sentence.

A: 1
****
Q: Sentence: 'a group of people riding on a boat in a small docking canal'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a group of birds clinging to a bird feeder'. Count the occurrences of the word 'a' in the given sentence.

A:
2
****