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.

Input: Consider Input: Potential energy is divided into ____ different types of energy.

Output: three

Input: Consider Input: Psychology is founded on ____ false premises that are all humanistic from the core.

Output: eight

Input: Consider Input: Most trilliums have three, ____ or six petals and are white, pink or red.
Output: five