How to avoid an abusive relationship<br>Look for unhealthy perfectionism. Abusive people often operate with extremely unrealistic expectations. They believe that things should always go in a certain way or conform to their particular standards.
The Kestrels were a singing group from Bristol, England.
I think it was difficult for the system because the phrase "singing group" is not used in the statement but is akin to a "vocal harmony quartet."
( z1 group :ARG0-of ( z2 sing ) :domain ( z3 organization :name ( z4 name :op "The" :op "Kestrels" ) ) :source ( z5 city :name ( z6 name :op "Bristol" ) :location ( z7 country :name ( z8 name :op "England" ) ) ) )