A very brave person is skying down a steep slope with no clouds in the sky.
Someone in a red jacket is skiing down a steep slope on a cloudless day.
We do not know what this person is wearing, so we can not say they are wearing a red jacket.
exists s1 s2 x1 x2 x4.(n_sky(x4) & -exists e1 s3 x3.(a_down(s3) & Manner(e1,s3) & Theme(e1,x2) & Actor(e1,x1) & v_sky(e1) & with(x2,x3) & in(x3,x4) & n_cloud(x3)) & n_slope(x2) & a_steep(s2) & Theme(s2,x2) & n_person(x1) & a_brave(s1) & Theme(s1,x1) & r_very(x1))
exists e1 s1 s2 s3 s4 x1 x2 x3 x4.(on(e1,x4) & n_day(x4) & a_cloudless(s4) & Theme(s4,x4) & a_down(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x1) & v_ski(e1) & n_slope(x3) & a_steep(s2) & Theme(s2,x3) & in(x1,x2) & n_jacket(x2) & a_red(s1) & Theme(s1,x2) & n_person(x1))