'********** composition on both sides of a statement 'Bird is a type of animal. animal>. %0.90% 'Is a swimming bird a type of swimming animal? <(&,bird,swimmer) --> (&,animal,swimmer)>? 32 'A swimming bird is probably a type of swimming animal. ''outputMustContain('<(&,bird,swimmer) --> (&,animal,swimmer)>. %0.90;0.73%')