The little girl is wearing a floating device in the water.
A little girl is in some water.
The little girl was obviously in the water if she is wearing a device in the water.
exists e1 s1 s2 x1 x2 x3.(n_water(x3) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & in(x2,x3) & n_device(x2) & a_floating(s2) & Theme(s2,x2))
exists p1 s1 x1.(exists x2.(in(x1,x2) & n_water(x2)) & n_girl(x1) & a_little(s1) & Theme(s1,x1))