A boy wearing a t-shirt with the American flag, goes down a slide with his arms flung out.
It is the Fourth of July and the boy is at a playground enjoying a picnic and fun with his family.
It does not necessarily have to be the Fourth of July.  The boy does not necessarily have to be at a playground enjoying a picnic and fun with his family.
exists e3 e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_arm(x6) & of(x6,x4) & n_male(x4) & n_flag(x4) & a_american(s1) & Theme(s1,x4) & with(e2,x6) & a_out(s3) & Manner(e3,s3) & Actor(e3,x7) & v_fling(e3) & (x6 = x7) & a_down(s2) & Manner(e2,s2) & Theme(e2,x5) & Actor(e2,x1) & v_go(e2) & n_slide(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & with(x3,x4) & n_t-shirt(x3) & (x1 = x2) & n_boy(x1))
exists p1 p2 x1 x2 x3 x4 x10.(n_family(x10) & of(x10,x3) & n_male(x3) & n_boy(x2) & n_date(x4) & a_date_month_07(x4) & a_date_month_07(x4) & n_fourth(x3) & n_thing(x1) & exists e1 x5 x6 x7 x8 x9.(at(x2,x5) & Theme(e1,x7) & Actor(e1,x6) & v_enjoy(e1) & with(x7,x10) & n_fun(x9) & n_picnic(x8) & subset_of(x9,x7) & subset_of(x8,x7) & (x5 = x6) & n_playground(x5)) & (x1 = x3) & of(x3,x4))