A man plays guitar outside while young children play with an orange soccer ball.
Dad is playing the guitar while his kids play soccer outside.
Being a man is not necessarily a father.  Not all young children with a man are his kids.
exists e1 p1 s1 x1 x2.(exists e2 s2 x3 x4 x5 x6.(with(e2,x4) & n_ball(x4) & of(x4,x6) & n_soccer(x6) & of(x4,x5) & n_orange(x5) & Actor(e2,x3) & v_play(e2) & n_child(x3) & a_young(s2) & Theme(s2,x3)) & while(e1,p1) & a_outside(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))
exists e1 p1 x1 x2 x3.(n_kid(x3) & of(x3,x2) & n_male(x2) & n_guitar(x2) & ne_nam_dad(x1) & exists e2 s1 x4.(a_outside(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_soccer(x4)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))