A soccer player runs for a soccer ball.
The soccer player works on his master's thesis in the quiet and stuffy college library.
Runs and works are two different actions. A soccer ball isn't the same as a master's thesis.
exists e1 x1 x2 x3 x4.(for(e1,x3) & n_ball(x3) & of(x3,x4) & n_soccer(x4) & Actor(e1,x1) & v_run(e1) & n_player(x1) & of(x1,x2) & n_soccer(x2))
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_library(x5) & of(x5,x6) & n_college(x6) & a_stuffy(s2) & Theme(s2,x5) & a_quiet(s1) & Theme(s1,x5) & n_thesis(x4) & of(x4,x3) & n_master(x3) & of(x3,x1) & n_male(x1) & n_player(x1) & of(x1,x2) & n_soccer(x2) & on(e1,x4) & in(x4,x5) & Actor(e1,x1) & v_work(e1))