A lone cyclist powers through a muddy trail in the forest.
A woman is training for a cycle endurance race.
A cyclist powering through a muddy trail does not have to be training for a cycle endurance race.
exists s1 s2 x1 x2 x3 x4.(n_forest(x4) & a_topic(x1) & in(x1,x4) & through(x1,x3) & n_trail(x3) & a_muddy(s2) & Theme(s2,x3) & n_power(x1) & of(x1,x2) & n_cyclist(x2) & a_lone(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(for(e1,x2) & n_race(x2) & of(x2,x4) & n_endurance(x4) & of(x2,x3) & n_cycle(x3) & Actor(e1,x1) & v_train(e1) & n_woman(x1))