The legs and mid-sections of two people with skateboards.
The lower bodies of two people skating
Lower bodies is a form of representing legs and mid-sections of this beings, which are skateboarding.
exists s1 x1 x2 x3 x4.(n_mid-section(x2) & n_leg(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_topic(s1) & of(s1,x3) & with(x3,x4) & n_skateboard(x4) & n_people(x3) & card_eq_2(x3))
exists e1 s1 x1 x2 x3.(n_body(x1) & r_more(s1) & a_lower(s1) & Theme(s1,x1) & a_topic(x1) & of(x1,x2) & Actor(e1,x3) & v_skate(e1) & (x2 = x3) & n_people(x2) & card_eq_2(x2))