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

Example Input: Sentence: 'Some people checking out some very pretty chairs made with skate boards'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'a big white airplane that is on a runway'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'An empty train viewed from the station platform'. Count the number of nouns in this sentence.
Example Output:
3