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: Titanium is found in column ____ along with chemically similar zirconium, hafnium, and thorium.

Output: four

Input: Consider Input: Most organ systems are operational in the fetus by ____ to six months.

Output: four

Input: Consider Input: Collared peccaries form herds of anywhere from ____ to thirty or more.
Output: three