Which sentence correctly means: These are not hypocrites?

Negating Nominal Sentences with مَا

• مَا هَؤُلَاءِ مُنَافِقُونَ
• مَا هَؤُلَاءِ مُنَافِقِينَ
• مَا هَؤُلَاءِ بِمُنَافِقُونَ