In this task, you need to count the number of nouns/verbs in the given sentence.

[Q]: Sentence: 'A light green substance a large silver blender'. Count the number of nouns in this sentence.
[A]: 3


[Q]: Sentence: 'A man and children are riding on the back of an elephant'. Count the number of nouns in this sentence.
[A]: 4


[Q]: Sentence: 'A black and white photo of a broken bridge and horse carriages'. Count the number of nouns in this sentence.
[A]:
4