A man wearing a t-shirt and blue jeans is jumping from a cliff by a large canyon.
The action is risky.
It is not necessarily risky, if sufficient precautions and safety equipment is being employed.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(by(e2,x7) & n_canyon(x7) & a_large(s2) & Theme(s2,x7) & from(e2,x6) & n_cliff(x6) & Actor(e2,x1) & v_jump(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_jeans(x5) & a_blue(s1) & Theme(s1,x5) & subset_of(x4,x3) & n_t-shirt(x4) & (x1 = x2) & n_man(x1))
exists s1 x1.(n_action(x1) & Theme(s1,x1) & a_risky(s1))