The train car is nearly empty.
The train car is almost empty because it's coming to the end of the line
There is no mention in sentence 1 as to why the train car is coming to the end of the line.
exists s1 x1 x2.(n_car(x1) & of(x1,x2) & n_train(x2) & r_nearly(s1) & Theme(s1,x1) & a_empty(s1))
exists p1 s1 x1 x2 x3 x4.(n_line(x4) & n_end(x3) & n_thing(x1) & n_car(x1) & of(x1,x2) & n_train(x2) & exists e1.(to(e1,x3) & of(x3,x4) & Actor(e1,x1) & v_come(e1)) & because(s1,p1) & r_almost(s1) & Theme(s1,x1) & a_empty(s1))