premise: A man wearing no shirt is lifting a shovel by a wheelbarrow as he works outside.
hypothesis: A topless man is working outside.
explanation_1: A topless man means the man doesn't have a shirt on.
explanation_2: Man wearing no shirt is a topless man, and lifting a shovel is working outside.
explanation_3: A man wearing no shirt is considered topless and he is working outside.
premise_logic: exists e1 p1 x1 x2 x3 x4.(exists e3 s1.(a_outside(s1) & Manner(e3,s1) & Actor(e3,x1) & v_work(e3)) & n_male(x1) & as(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_lift(e1) & by(x3,x4) & n_wheelbarrow(x4) & n_shovel(x3) & -exists e2 x5.(Theme(e2,x5) & Actor(e2,x2) & v_wear(e2) & n_shirt(x5)) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 s1 s2 x1.(a_outside(s2) & Manner(e1,s2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & a_topless(s1) & Theme(s1,x1))