A group of five people are leading a meeting.
A group gives a presentation.
"Giving a presentation" is a specific way of "leading a meeting."
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_lead(e1) & n_meeting(x3) & of(x1,x2) & n_people(x2) & card_eq_5(x2) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_presentation(x2) & n_group(x1))