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.

Ex Input:
Primates have ____ digits on their forelimbs.

Ex Output:
five

Ex Input:
Phylogenetic analyses confirm ____ mitochondrial mallard clades.

Ex Output:
two

Ex Input:
Bicycles are a healthy alternative to vehicles, and produce ____ emissions in their use.

Ex Output:
no