A man and a young toddler are playing outside in the grass.
the toddlers are laughing as they play
One toddler does not imply that there are multiple toddlers, and toddlers are not always laughing when they play.
exists e1 s1 s2 x1 x2 x3 x4.(n_grass(x4) & in(e1,x4) & a_outside(s2) & Manner(e1,s2) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & n_toddler(x3) & a_young(s1) & Theme(s1,x3) & subset_of(x2,x1) & n_man(x2))
exists e1 p1 x1.(n_thing(x1) & n_toddler(x1) & exists e2.(Actor(e2,x1) & v_play(e2)) & as(e1,p1) & Actor(e1,x1) & v_laugh(e1))