A man and a smiling young boy in a float vest are swimming together.
The man and the smiling young boy are swimming under the shining sun.
They could be swimming at any time of day not just under the shining sun.
exists e2 e1 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 e3 e1 e2 s1 x1 x2 x3 x4.(n_sun(x4) & Actor(e3,x4) & v_shine(e3) & n_boy(x3) & a_young(s1) & Theme(s1,x3) & Actor(e1,x3) & v_smile(e1) & n_man(x2) & under(e2,x4) & Actor(e2,x1) & v_swim(e2) & subset_of(x3,x1) & subset_of(x2,x1))