A teacher instructing her students in class.
A teacher is teaching indoors.
the teacher instructing inside the class.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_instruct(e1) & in(x3,x4) & n_class(x4) & n_student(x3) & of(x3,x1) & n_female(x1) & (x1 = x2) & n_teacher(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_teach(e1) & n_indoor(x2) & n_teacher(x1))