A dog is walking along some dry cracked earth.
A dog walks as a heat wave strikes.
the dry cracked earth could be because of something other than  a heat wave
exists e1 s1 s2 x1 x2.(along(e1,x2) & n_earth(x2) & a_cracked(s2) & Theme(s2,x2) & a_dry(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))
exists e1 x1 x2 x3 x4.(as(e1,x2) & Time(x2,x4) & n_strike(x4) & n_wave(x2) & of(x2,x3) & n_heat(x3) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))