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

Ex Output:
four

Ex Input:
Young bandicoots become independent at about ____ months and are sexual mature at about five months.

Ex Output:
four

Ex Input:
High stress has the highest pitch, about ____ notes above a vowel without a stress mark.

Ex Output:
four