The little girl is wearing a floating device in the water.
A girl has trouble staying afloat in the park pool
One does not have trouble staying afloat when wearing a floating device.
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 e1 e2 s1 x1 x2 x3 x4 x5.(n_pool(x4) & of(x4,x5) & n_park(x5) & Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & in(e1,x4) & a_afloat(s1) & Manner(e1,s1) & Actor(e1,x3) & v_stay(e1) & (x2 = x3) & n_trouble(x2) & n_girl(x1))