A small boy with a red ball cap holding a cracker with a pink cup nearby.
A toddler is eating lunch.
A child could be small without being a toddler.  A cracker and drink may be a snack and not lunch.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(x1,x2) & a_nearby(s4) & Manner(e1,s4) & with(e1,x6) & n_cup(x6) & a_pink(s3) & Theme(s3,x6) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_cracker(x5) & (x2 = x4) & n_cap(x2) & of(x2,x3) & n_ball(x3) & a_red(s2) & Theme(s2,x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_lunch(x2) & n_toddler(x1))