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

[Q]: Sentence: 'Brown bear sitting on the ground eating a stick'. Count the number of nouns in this sentence.
[A]: 3


[Q]: Sentence: 'Desktop and laptop computers on a desk with a dry erase board nearby'. Count the number of nouns in this sentence.
[A]: 6


[Q]: Sentence: 'Two trains that are sitting on train tracks'. Count the number of nouns in this sentence.
[A]:
3