A person in a white shirt jumping into a lake midair.
The person in white is outside on the lake.
A person may be said to be "in a color" if any prominent part of the outfit is in that color. To be performing any activity on a lake, a person must be on (or "at") the lake. All lakes are outside.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & into(e1,x4) & n_midair(x4) & of(x4,x5) & n_lake(x5) & Actor(e1,x3) & v_jump(e1) & (x2 = x3) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_person(x1))
exists s1 x1 x2 x3.(n_lake(x3) & n_person(x1) & on(s1,x3) & Theme(s1,x1) & a_outside(s1) & in(x1,x2) & n_white(x2))