If the tide comes in, the man's tennis shoes will get wet.
The man is collecting clams while the tide is out.
A man collecting clams might not be wearing shoes and he might finish his task before the tide changes.
exists x1 x2 x3 x4.(n_shoe(x3) & of(x3,x4) & n_tennis(x4) & of(x3,x2) & n_man(x2) & n_tide(x1) & all e1 s1.((a_in(s1) & Manner(e1,s1) & Actor(e1,x1) & v_come(e1)) -> exists e2 p1.(exists s2.(Theme(s2,x3) & a_wet(s2)) & Topic(e2,p1) & Actor(e2,x3) & v_get(e2))))
exists e1 p1 x1 x2 x3.(n_tide(x3) & n_man(x1) & exists s1.(Theme(s1,x3) & a_out(s1)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_collect(e1) & n_clam(x2))