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

Example Input: Sentence: 'Three children are sitting with food in the park'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'a cow that is on the side of a hill'. Count the number of verbs in this sentence.
Example Output: 1

Example Input: Sentence: 'The shelves are covered with a lamp, a clock, drawers, and photos'. Count the number of verbs in this sentence.
Example Output:
1