A middle-aged casually dressed man props his feet on his desk.
A middle-aged man is at his desk.
A middle aged man propping his feet onto his desk implies that he is at a desk to prop his feet onto.
exists e2 e1 s1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_prop(e2) & on(x2,x3) & n_desk(x3) & of(x3,x1) & n_male(x1) & n_male(x1) & n_foot(x2) & of(x2,x1) & n_man(x1) & Theme(e1,x1) & v_dress(e1) & r_casually(x1) & a_middle-aged(s1) & Theme(s1,x1))
exists p1 s1 x1 x2.(at(x1,x2) & n_desk(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & a_middle-aged(s1) & Theme(s1,x1))