A man white water rafting down a very strong current
A old white man is in the water rafting after a long days work.
A man who is white water rafting doesn't necessarily have to be old or white. One can go white water rafting at any time and not just after a long days work.
exists e1 s1 s2 s3 x1 x2 x3 x4.(a_topic(x1) & a_down(s3) & Manner(e1,s3) & Theme(e1,x4) & Actor(e1,x3) & v_raft(e1) & n_current(x4) & a_strong(s2) & Theme(s2,x4) & r_very(x4) & (x1 = x3) & n_water(x1) & a_white(s1) & Theme(s1,x1) & of(x1,x2) & n_man(x2))
exists e1 p1 s1 s2 s3 x1 x2 x3 x4.(n_water(x2) & in(p1,x2) & after(e1,x4) & n_day(x4) & a_long(s3) & Theme(s3,x4) & Actor(e1,x3) & v_raft(e1) & (x2 = x3) & exists x5.((x1 = x5) & n_work(x5)) & n_man(x1) & a_white(s2) & Theme(s2,x1) & a_old(s1) & Theme(s1,x1))