A male Equestrian rider leans forward as his horse stretches out for the 2nd jump of the course, as the crowd looks on with amazement
A male equestrian rider competes for the championship.
An equestrian could be riding for other reasons than competing and could be participating in other competitions besides the championship, so these things cannot be inferred from sentence 1.
exists e1 p1 s1 s2 s3 s4 x1 x2 x3 x4 x5.(n_crowd(x5) & n_course(x4) & n_jump(x3) & a_2nd(s4) & Theme(s4,x3) & exists e2 p2 s5.(exists e3 x6.(r_on(e3) & with(e3,x6) & n_amazement(x6) & Actor(e3,x5) & v_look(e3)) & as(e2,p2) & a_out(s5) & Manner(e2,s5) & for(e2,x3) & of(x3,x4) & Actor(e2,x2) & v_stretch(e2)) & n_horse(x2) & of(x2,x1) & n_male(x1) & as(e1,p1) & a_forward(s3) & Manner(e1,s3) & Actor(e1,x1) & v_lean(e1) & n_rider(x1) & a_equestrian(s2) & Theme(s2,x1) & a_male(s1) & Theme(s1,x1))
exists s1 s2 x1 x2 x3.(n_championship(x3) & a_topic(x1) & for(x1,x3) & n_compete(x1) & of(x1,x2) & n_rider(x2) & a_equestrian(s2) & Theme(s2,x1) & a_male(s1) & Theme(s1,x1))