YOU SAID:
They are incapable of making good software
INTO JAPANESE
彼らは良いソフトウェアを作ることができない
BACK INTO ENGLISH
they can't make good software
INTO JAPANESE
彼らは良いソフトウェアを作ることができません
BACK INTO ENGLISH
they can't make good software
Okay, I get it, you like Translation Party.