A little boy in blue and white flower shorts holding a yellow and black football while standing in the water.
A teenage girl is indoors.
Can only be a little boy or a teenage girl, and typically he/she would not be indoors if standing in water as stated.
exists e1 p1 s1 s2 s3 x1 x2 x6.(n_water(x6) & exists e2 e3 s4 x3 x4 x5.(while(e2,e3) & in(e3,x6) & Actor(e3,x1) & v_stand(e3) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_football(x5) & a_black(s4) & Theme(s4,x5) & n_yellow(x4) & subset_of(x5,x3) & subset_of(x4,x3)) & Topic(e1,p1) & Actor(e1,x1) & v_short(e1) & in(x1,x2) & n_flower(x2) & a_white(s3) & Theme(s3,x2) & a_blue(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists p1 x1 x2.(exists x3.((x1 = x3) & n_indoor(x3)) & n_girl(x1) & of(x1,x2) & n_teenage(x2))