A man in a sweatshirt is waving flags.
He is trying to get someones attention.
Sentence 1 is missing get someones attention
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_wave(e1) & n_flag(x3) & in(x1,x2) & n_sweatshirt(x2) & n_man(x1))
exists e1 p1 x1.(n_male(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_get(e2) & n_attention(x2) & a_someones(s1) & Theme(s1,x2)))