Two individuals in green surgical scrubs are performing a medical procedure.
The hospital has no oxygen.
A procedure requiring surgical scrubs cannot be performed without the use of oxygen.
exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_procedure(x3) & a_medical(s3) & Theme(s3,x3) & in(x1,x2) & n_scrub(x2) & a_surgical(s2) & Theme(s2,x2) & a_green(s1) & Theme(s1,x2) & n_individual(x1) & card_eq_2(x1))
exists x1.(n_hospital(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_oxygen(x2)))