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

Ex Input:
Sentence: 'a road with parked cars on both sides of the street and houses on the street'. Count the occurrences of the word 'the' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a person in pajamas reading on a bed'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a group of people looking at a stack of hay bales'. Count the occurrences of the word 'of' in the given sentence.

Ex Output:

2