In its metaphysics, Nyāya school is closer to the Vaiśeṣika school than others. It holds that human suffering results from mistakes/defects produced by activity under wrong knowledge (notions and ignorance). Moksha (liberation), it states, is gained through right knowledge. This premise led Nyāya to concern itself with epistemology, that is the reliable means to gain correct knowledge and to remove wrong notions. False knowledge is not merely ignorance to Naiyayikas, it includes delusion. Correct knowledge is discovering and overcoming one's delusions, and understanding true nature of soul, self and reality. The Nyāya Sūtras begin:
Besides ignorance, what does false knowledge include in Nyaya?
delusion
The given context states that correct knowledge is "discovering and overcoming one's delusions". 
Therefore, the answer to the question can be extracted from this part of the text as follows: false knowledge includes delusion..