Three boys grab onto an inflatable donut in the water.
The three boys are going tubing.
The three boys could be grabbing an inflatable donut for safety not only because they are going tubung
exists e1 s1 x1 x2 x3.(n_water(x3) & in(e1,x3) & onto(e1,x2) & n_donut(x2) & a_inflatable(s1) & Theme(s1,x2) & Actor(e1,x1) & v_grab(e1) & n_boy(x1) & card_eq_3(x1))
exists e2 e1 x1.(n_boy(x1) & card_eq_3(x1) & for(e1,e2) & Actor(e2,x1) & v_tube(e2) & Actor(e1,x1) & v_go(e1))