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.

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

Liters are ____ places to the right of hectoliters.
two

Tracking involves using the ____ senses plus common sense to follow a trail through the jungle.

five

