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

Q: Sentence: 'a nick knack of a dog a coffee cup and a tray of food'. Count the occurrences of the word 'a' in the given sentence.

A: 4
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Q: Sentence: 'black and white picture of a steam engine on a flooded track'. Count the occurrences of the word 'picture' in the given sentence.

A: 1
****
Q: Sentence: 'a blue plate with an orange a cracker some lettuce and a twist bar'. Count the occurrences of the word 'cracker' in the given sentence.

A:
1
****