A dog leaps to catch a ball in a field.
A dog runs around circles chasing his tails.
The dog cannot leap to catch a ball while running around chasing its tail.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_leap(e1) & exists e2 x2 x3.(in(e2,x3) & n_field(x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_ball(x2)) & n_dog(x1))
exists e1 e2 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_chase(e2) & n_tail(x3) & of(x3,x1) & n_male(x1) & around(e1,x2) & n_circle(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))