A dog performs acrobatic stunts on a platform.
The dog is performing impressive tricks.
'' A dog performs '' is a rephrasing of '' the dog is performing.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_platform(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_stunt(x2) & a_acrobatic(s1) & Theme(s1,x2) & n_dog(x1))
exists e1 s1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & a_impressive(s1) & Theme(s1,x2))