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

Ex Input:
Sentence: 'this is a dog sitting on a reclining chary with a pillow'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'two giraffes stand on a street with a bunch of parked cars'. Count the occurrences of the word 'street' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'there is a small black bird next to a pizza box'. Count the occurrences of the word 'to' in the given sentence.

Ex Output:

1