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

Q: Sentence: 'a picture of a medical exam room with a bed and chair'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a view of a sandwich with a side salad'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a chair in a corner next to a lampwith pictures behind it on a wall'. Count the occurrences of the word 'a' in the given sentence.

A:
4
****