Original sentence: However, some SHARPs have similar beliefs to politically-minded anti-fascist skinheads such as redskins and anarchists.SHARPs recognize the biracial origins of the skinhead subculture, and resent what they see as the hijacking of the skinhead name by racist extremists
Edited sentence: However, some SHARPs had similar beliefs to politically-minded anti-fascist skinheads such as redskins and anarchists.SHARPs perceived the origins of the skinhead subculture as biracial, despite the fact that as early as 1970 there were skinheads in the National Front.The SHARP are now essentially defunct