a woman is being videotaped whilst giving a presentation to a group of people.
A woman is presenting her research.
The fact that the woman is presenting does not mean that she is presenting her research specifically. The material she is presenting could be something entirely different.
exists e2 e1 x1 x2 x3 x4 x5.(for(e1,e2) & to(e2,x4) & of(x4,x5) & n_people(x5) & n_group(x4) & Theme(e2,x3) & Actor(e2,x1) & v_give(e2) & n_presentation(x3) & Recipient(e1,x2) & Theme(e1,x1) & v_videotape(e1) & n_whilst(x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_present(e1) & n_research(x2) & of(x2,x1) & n_female(x1) & n_woman(x1))