Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Example Input: Green energy comes in ____ basic forms.
Example Output: two

Example Input: Sapsuckers are a group of ____ species known for literally drinking the sap of trees.
Example Output: four

Example Input: Children are sensory bound, meaning they learn through their ____ senses.
Example Output:
five