A woman in a green shirt running a race.
A woman is wearing green and running.
In a green shirt is just another way of saying the woman is wearing green.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_run(e1) & n_race(x4) & (x1 = x3) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 p1 x1.(exists s1 s2.(Theme(s2,x1) & a_running(s2) & Theme(s1,x1) & a_green(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_wear(e1) & n_woman(x1))