'********** compound composition, two premises 'Swan is a type of swimmer. swimmer>. %0.90% 'Swan is a type of bird. bird>. %0.80% 16 'Swan is a type of bird or a type of swimmer. ''outputMustContain(' (|,bird,swimmer)>. %0.98;0.81%') 'Swan is a type of swimming bird. ''outputMustContain(' (&,bird,swimmer)>. %0.72;0.81%')