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

Example Input: Sentence: 'there is a fish eye view of a snowboarder in the air'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'A baseball player holding  bat while standing on a field'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'A man and two children pose for a picture in a snowy landscape'. Count the number of nouns in this sentence.
Example Output:
4