a woman using a power drill in front of a group of people.
A person is using a tool, teaching other people.
The tool mentioned in sentence 2 does not go into detail on what type of tool is being used.
exists e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(e1,x5) & of(x5,x6) & of(x6,x7) & n_people(x7) & n_group(x6) & n_front(x5) & Theme(e1,x3) & Actor(e1,x2) & v_use(e1) & n_drill(x3) & of(x3,x4) & n_power(x4) & (x1 = x2) & n_woman(x1))
exists e1 e2 x1 x2 x3 x4.(n_people(x4) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_teach(e2) & -(x3 = x4) & n_people(x3) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_tool(x2) & n_person(x1))