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.

Q: Blood Parrots are a hybrid of ____ Cichlids species.

A: two
****
Q: Acupuncture needles are about two to ____ inches long.

A: three
****
Q: Potassium chloride is produced in ____ major size grades.

A:
four
****