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: Neutrinos are particles with almost ____ mass and no electric charge.

A: no
****
Q: Ozone leaves ____ by-products except pure oxygen.

A: no
****
Q: Prostate cancer can cause symptoms in ____ ways.

A:
two
****