Two female bikers pose on a bridge as other riders travel by in a marathon.
The two woman are sisters, who trained together for this bike race.
Not all female bikers are sisters. Not everyone trains together for a bike race.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(in(e1,x6) & n_marathon(x6) & a_by(s2) & Manner(e1,s2) & on(e1,x2) & as(x2,x3) & -(x3 = x5) & n_travel(x5) & of(x5,x4) & n_rider(x4) & n_travel(x3) & of(x3,x4) & n_bridge(x2) & Actor(e1,x1) & v_pose(e1) & n_biker(x1) & a_female(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1 x4 x5.(n_race(x4) & of(x4,x5) & n_bike(x5) & n_woman(x1) & card_eq_2(x1) & exists e1 s1 x2 x3.((x1 = x2) & a_together(s1) & Manner(e1,s1) & for(e1,x4) & Actor(e1,x3) & v_train(e1) & (x2 = x3) & n_sister(x2)))