Little boy being silly jumping in the lake.
A boy sleeping on the beach.
Jumping and sleeping cannot be done at the same time.
exists e1 s1 s2 x1 x2 x3.(n_lake(x3) & a_topic(x1) & for(s2,e1) & in(e1,x3) & Actor(e1,x2) & v_jump(e1) & Theme(s2,x2) & a_silly(s2) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_beach(x3) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_boy(x1))