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

Example Input: Sentence: 'An elephant that is walking on some dirt'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A large white polar bear eating a carrot'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'A photo take though glass of a polar pear diving under water'. Count the number of nouns in this sentence.
Example Output:
5