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

Ex Input:
Sentence: 'a room with colorful blankets and several papers strewn across the floor'. Count the occurrences of the word 'with' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'many spoons are inside of a clear jar'. Count the occurrences of the word 'are' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man holding a white umbrella next to a clock in an airport'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:

3