Three young people planting flowers and covering the area with a tarp.
Three people are trying to help preserve a historic garden
You cant infer that they are doing this to preserve a historic garden
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(n_area(x4) & Theme(e2,x4) & Actor(e2,x3) & v_cover(e2) & with(x4,x5) & n_tarp(x5) & n_people(x3) & a_young(s2) & Theme(s2,x3) & card_eq_3(x3) & Theme(e1,x2) & Actor(e1,x1) & v_plant(e1) & n_flower(x2) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 p2.(exists e3 s1 x2.(Theme(e3,x2) & Actor(e3,x1) & v_preserve(e3) & n_garden(x2) & a_historic(s1) & Theme(s1,x2)) & Topic(e2,p2) & Actor(e2,x1) & v_help(e2)) & n_people(x1) & card_eq_3(x1))