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

Ex Input:
Sentence: 'a man in red apron preparing food at a table'. Count the occurrences of the word 'apron' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a series of street signs in french on a city street'. Count the occurrences of the word 'street' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a sandwich is in sitting in a basket on a tray'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:

3