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

Ex Input:
Sentence: 'people standing around on the side the orad with a bus and jeep close to them'. Count the occurrences of the word 'the' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'a bridge on a river with a city in the skyline'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'a yellow and blue train pulling into a train station'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:

2