A little baby is playing with the nozzle of a vacuum cleaner.
The baby is mopping the floor.
A child can't be playing with the nozzle of a vacuum cleaner while also mopping.
exists e1 s1 x1 x2 x3 x4.(n_nozzle(x2) & with(e1,x2) & of(x2,x3) & n_cleaner(x3) & of(x3,x4) & n_vacuum(x4) & Actor(e1,x1) & v_play(e1) & n_baby(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_floor(x2) & n_baby(x1) & Theme(e1,x2) & Actor(e1,x1) & v_mop(e1))