A lone worker dressed in hard had, red shirt, mask and reflective vest, stands on dusty concrete, holding a broom and looking over his left shoulder.
The man is working on a new building.
Just because the worker is dressed like that doesn't imply they're working on a building, there are other jobs. It is also not implied that the worker is a male, they could be female. If the worker was working on a building it doesn't necessarily mean it is a new building.
exists e1 e3 e6 e4 e5 e2 s1 s2 s3 s4 s5 s6 s7 s8 s9 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14.(for(e4,e6) & over(e6,x14) & n_shoulder(x14) & a_left(s9) & Theme(s9,x14) & of(x14,x1) & n_male(x1) & Actor(e6,x9) & v_look(e6) & for(e4,e5) & Theme(e5,x13) & Actor(e5,x9) & v_hold(e5) & n_broom(x13) & on(e4,x12) & n_concrete(x12) & a_dusty(s8) & Theme(s8,x12) & Actor(e4,x9) & v_stand(e4) & Theme(e3,s7) & Theme(s7,x11) & a_hard(s7) & Theme(e3,x10) & v_dress(e3) & (x9 = x10) & n_worker(x9) & a_lone(s6) & Theme(s6,x9) & Theme(e2,x4) & Actor(e2,x1) & v_have(e2) & n_vest(x8) & a_reflective(s5) & Theme(s5,x8) & n_mask(x7) & subset_of(x8,x6) & subset_of(x7,x6) & n_shirt(x5) & a_red(s4) & Theme(s4,x5) & subset_of(x6,x4) & subset_of(x5,x4) & a_,(s3) & Theme(s3,x4) & Theme(e1,s2) & Theme(s2,x3) & a_hard(s2) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_worker(x1) & a_lone(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_man(x1) & on(e1,x2) & n_building(x2) & a_new(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1))