In a marsh type area, four small boys are digging in the mud.
The mud is cracking
Sentence 1 does not imply the mud is cracking.
exists e1 s1 s2 x1 x2 x3 x4.(n_mud(x2) & in(e1,x3) & n_area(x3) & of(x3,x4) & n_type(x4) & a_marsh(s2) & Theme(s2,x3) & in(e1,x2) & Actor(e1,x1) & v_dig(e1) & n_boy(x1) & a_small(s1) & Theme(s1,x1) & card_eq_4(x1))
exists e1 x1.(n_mud(x1) & Actor(e1,x1) & v_crack(e1))