A teenage boy with a red hat sits along side a pedestrian bridge while people walk by.
A teenage boy jogs through a park alone.
One cannot sit and jog at the same time. They are also not alone when people are walking by.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(while(e1,x6) & a_by(s3) & Manner(e2,s3) & Theme(e2,x7) & v_walk(e2) & (x6 = x7) & n_people(x6) & along(e1,x5) & n_side(x5) & Theme(e1,x4) & Actor(e1,x1) & v_sit(e1) & n_bridge(x4) & a_pedestrian(s2) & Theme(s2,x4) & with(x1,x3) & n_hat(x3) & a_red(s1) & Theme(s1,x3) & n_boy(x1) & of(x1,x2) & n_teenage(x2))
exists e1 x1 x2 x3.(through(e1,x3) & r_alone(x3) & n_park(x3) & Actor(e1,x1) & v_jog(e1) & n_boy(x1) & of(x1,x2) & n_teenage(x2))