A person bicycling through deep snow.
The person on the bicycle is riding it though the snow for exercise.
You can not infer it is for exercise.
exists e1 s1 x1 x2 x3.(a_topic(x1) & through(e1,x3) & n_snow(x3) & a_deep(s1) & Theme(s1,x3) & Actor(e1,x2) & v_bicycle(e1) & (x1 = x2) & n_person(x1))
exists e1 x1 x2 x3 x4.(n_snow(x3) & n_thing(x2) & n_bicycle(x2) & n_person(x1) & for(e1,x4) & n_exercise(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & though(x2,x3) & on(x1,x2))