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

Input: Consider Input: Sentence: 'a person holding up a smart phone in front of a singer'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'the young man is handling the door knob of the cabinet in the apartment'. Count the occurrences of the word 'the' in the given sentence.

Output: 4


Input: Consider Input: Sentence: 'a white horse looking on as a picture is taken in a field'. Count the occurrences of the word 'a' in the given sentence.


Output: 3