Adjusting a tie for accuracy.
A tie is being adjusting.
Sentence 2 is not grammatically correct, but being adjusting could mean that another person is assisting in the adjustments of the tie.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_adjust(e1) & for(x2,x3) & n_accuracy(x3) & n_tie(x2) & n_thing(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_adjusting(x2)) & n_tie(x1))