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 toilet is on the road by a truck'. Count the number of verbs in this sentence.
Example Output: 0

Example Input: Sentence: 'A teddy bear sits on the bed in a colorful children's room'. Count the number of verbs in this sentence.
Example Output:
1