A boy sitting in a stroller with a blue hat and red mittens on.
A boy is sitting in a stroller.
A stroller is safest if the person is sitting in it.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_topic(x1) & a_on(s3) & Manner(e1,s3) & with(e1,x4) & subset_of(x6,x4) & n_mitten(x6) & a_red(s2) & Theme(s2,x6) & subset_of(x5,x4) & n_hat(x5) & a_blue(s1) & Theme(s1,x5) & in(e1,x3) & n_stroller(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2.(in(e1,x2) & n_stroller(x2) & Actor(e1,x1) & v_sit(e1) & n_boy(x1))