A man and a smiling young boy in a float vest are swimming together.
Two people learn to swim.
Just because they are in float vest does not imply that they are swimming to learn.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5.(exists s2.(Theme(s2,x1) & a_together(s2)) & Topic(e2,p1) & Actor(e2,x1) & v_swim(e2) & subset_of(x3,x1) & in(x3,x4) & n_vest(x4) & of(x4,x5) & n_float(x5) & n_boy(x3) & a_young(s1) & Theme(s1,x3) & Actor(e1,x3) & v_smile(e1) & subset_of(x2,x1) & n_man(x2))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_learn(e1) & exists e2.(Actor(e2,x1) & v_swim(e2)) & n_people(x1) & card_eq_2(x1))