A boy in jeans and a black shirt skating down a stair rail.
The boy likes to go skateboarding.
Many boys who skateboard try their skill at skating down objects like stair rails, so since the boy is skating down a stair rail, it can mean he likes skateboarding.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x3,s1) & a_down(s3) & Manner(e1,s3) & Theme(e1,x5) & Actor(e1,x4) & v_skate(e1) & n_rail(x5) & of(x5,x6) & n_stair(x6) & (x3 = x4) & n_shirt(x3) & a_black(s2) & Theme(s2,x3) & subset_of(x1,s1) & in(x1,x2) & n_jeans(x2) & n_boy(x1))
exists e1 p1 x1.(n_boy(x1) & Topic(e1,p1) & Actor(e1,x1) & v_like(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_go(e2) & n_skateboarding(x2)))