A man is sitting inside of a mailbox with a phone in his hand.
A man is sitting with a phone.
With a phone is another way to say phone in his hand.
exists e1 s1 x1 x2 x3 x4.(with(e1,x3) & in(x3,x4) & n_hand(x4) & of(x4,x1) & n_male(x1) & n_phone(x3) & of(e1,x2) & n_mailbox(x2) & a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2.(with(e1,x2) & n_phone(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))