Two boys, two girls, strapped in and ready for an amusement park ride.
Boys are ready for an amusement ride.
Two boys are boys and strapped in means they are ready for the ride
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & rel(x1,x2) & for(e2,s2) & for(s2,x5) & n_ride(x5) & of(x5,x7) & n_park(x7) & of(x5,x6) & n_amusement(x6) & Theme(s2,x4) & a_ready(s2) & Theme(e2,x4) & v_strap(e2) & (x2 = x4) & a_in(s1) & Manner(e1,s1) & Theme(e1,x3) & v_strap(e1) & (x2 = x3) & n_girl(x2) & card_eq_2(x2) & n_boy(x1) & card_eq_2(x1))
exists s1 x1 x2 x3.(for(s1,x2) & n_ride(x2) & of(x2,x3) & n_amusement(x3) & Theme(s1,x1) & a_ready(s1) & n_boy(x1))