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

Ex Input:
Sentence: 'a man with a baseball bat with an intense look on his face'. Count the occurrences of the word 'with' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a group of four surfboards laying on top of a beach'. Count the occurrences of the word 'top' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a person on a surfboard riding a wave on the ocean'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:

3