the sentences are all conectes because its part of the 5 w's (who ,What, When ,Where, What)
Extraneous means "irrelevant or unrelated to the subject being dealt with."
Hybrid means "a thing made by combining different elements."
Concomitant means "naturally accompanying or associated with."
Extraneous is the word that fits. Concomitant is actually the opposite of this.
The negro artist and the racial mountain was written in response to "The Negro Art Hokum" written by George S. Schyler.
1. the knight
2. the knight
4. chaucer