A man is kiteboarding in open waters.
A man is in engaging a recreational activity with other people.
Kiteboarding is not the only recreational activity to be engage with.
exists e1 s1 x1 x2.(in(e1,x2) & n_waters(x2) & a_open(s1) & Theme(s1,x2) & Actor(e1,x1) & v_kiteboard(e1) & n_man(x1))
exists p1 x1 x5.(n_people(x5) & exists e1 s1 x2 x3 x4.(in(x1,e1) & with(e1,x4) & -(x4 = x5) & n_people(x4) & Theme(e1,x3) & Actor(e1,x2) & v_engage(e1) & n_activity(x3) & a_recreational(s1) & Theme(s1,x3)) & n_man(x1))