A man in a t-shirt and shorts is playing the guitar while a woman in a colorful skirt cooks a meal.
A man is playing guitar.
''A man in a t-shirt and shorts is playing the guitar '' is a  rephrasing of '' a man is playing guitar.''
exists e1 p1 x1 x2 x3 x4 x5.(n_guitar(x5) & exists e2 s1 x6 x7 x8.(Theme(e2,x8) & Actor(e2,x6) & v_cook(e2) & n_meal(x8) & in(x6,x7) & n_skirt(x7) & a_colorful(s1) & Theme(s1,x7) & n_woman(x6)) & while(e1,p1) & Theme(e1,x5) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & subset_of(x4,x2) & n_shorts(x4) & subset_of(x3,x2) & n_t-shirt(x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))