The Amish group is standing by the fence.
The Amish group are laughing and smiling.
Just because the group is standing by the fence doesn't mean that the group are laughing and smiling.
exists e1 s1 x1 x2.(n_fence(x2) & n_group(x1) & a_amish(s1) & Theme(s1,x1) & by(e1,x2) & Actor(e1,x1) & v_stand(e1))
exists e2 e1 s1 s2 x1.(n_group(x1) & a_amish(s2) & Theme(s2,x1) & a_amish(s1) & Theme(s1,x1) & Actor(e2,x1) & v_smile(e2) & Actor(e1,x1) & v_laugh(e1))