that makes the formula fresh again 
(ROOT (S (NP (DT that)) (VP (VBZ makes) (S (NP (DT the) (NN formula)) (ADJP (JJ fresh))) (ADVP (RB again)))))
(ROOT (S (NP (DT )) (VP (VBZ ) (S (NP (DT ) (NN )) (ADJP (JJ ))) (ADVP (RB )))))