a man is riding a bicycle that has been adjusted from its original style, by replacing many parts of the bike with odd parts.
A man is competing in an experiment about bicycle innovation.
A man riding a bicycle that has been adjusted from it's original style doesn't imply he is competing in an experiment.
exists e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_bike(x6) & Theme(e3,x2) & Actor(e3,x1) & v_ride(e3) & by(e1,e2) & with(e2,x7) & n_part(x7) & a_odd(s2) & Theme(s2,x7) & Theme(e2,x5) & Actor(e2,x3) & v_replace(e2) & of(x5,x6) & n_part(x5) & n_quantity(x5) & from(e1,x4) & n_style(x4) & a_original(s1) & Theme(s1,x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x3) & v_adjust(e1) & (x2 = x3) & n_bicycle(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(in(e1,x2) & about(x2,x3) & n_innovation(x3) & of(x3,x4) & n_bicycle(x4) & n_experiment(x2) & Actor(e1,x1) & v_compete(e1) & n_man(x1))