premise: Several smiling people of varying ages sitting around a table with glasses of beer in front of them.
hypothesis: A groupe of people are sitting at a table.
explanation_1: 'Several people' can also be referred to as 'a groupe of people', also 'sitting at a table' is a rephrasing of 'sitting around a table'.
explanation_2: Several people and a groupe both mean more than one.  If your sitting around a table you are sitting at a table.
explanation_3: Several people can be termed as a group of people.
premise_logic: exists e1 e3 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & Theme(e3,x3) & Actor(e3,x2) & v_vary(e3) & in(e2,x8) & of(x8,x1) & n_thing(x1) & n_front(x8) & with(e2,x6) & of(x6,x7) & n_beer(x7) & n_glass(x6) & around(e2,x5) & n_table(x5) & Actor(e2,x4) & v_sit(e2) & (x3 = x4) & n_age(x3) & (x1 = x2) & n_people(x1) & Actor(e1,x1) & v_smile(e1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(at(e1,x3) & n_table(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_groupe(x1))