Which contains an error in logic as worded? Wearing bell-bottom pants and a tie-dyed shirt was a fad during the 1960s. A fad during the 1960s was wearing bell-bottom pants and a tie-dyed shirt. A fad during the 1960s was someone wearing bell-bottom pants and a tie-dyed shirt. Bell-bottom pants and tie-dyed shirts were fads during the 1960s.
The answer is a fad during the 1960s was someone wearing bell-bottom pants and a tie-dyed shirt. It's an error in logic because they are saying everyone who wears that is a fad when it is not true.
