A man a long gray beard and his partner share a meal at an outdoor restaurant.
The people are dining al fresco.
A man and a partner are people.  Al fresco is a restatement of outdoor restaurant.
exists s1.(a_topic(s1) & all x3 x5 x4.((n_share(x4) & of(x4,x5) & n_partner(x5) & of(x4,x3) & n_male(x3) & n_meal(x3)) -> exists s4 x6.(subset_of(x4,s1) & at(x4,x6) & n_restaurant(x6) & a_outdoor(s4) & Theme(s4,x6) & for(x4,x3))) & all s3 x1 s2.((n_beard(x1) & a_gray(s3) & Theme(s3,x1) & a_long(s2) & Theme(s2,x1)) -> exists x2.(subset_of(x2,s1) & for(x2,x1) & n_man(x2))))
exists e1 s1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_dine(e1) & n_fresco(x2) & a_al(s1) & Theme(s1,x2))