There are several pelicans and one is flying.
A pelican is flying.
A pelican would be one pelican.
exists e1 p1 x1 x2.(Actor(e1,x2) & v_fly(e1) & n_thing(x2) & card_eq_1(x2) & exists s1 x3.((x1 = x3) & n_pelican(x3) & a_several(s1) & Theme(s1,x3)))
exists e1 x1.(Actor(e1,x1) & v_fly(e1) & n_pelican(x1))