swipe 90 minutes of your time 
(ROOT (S (VP (VB swipe) (NP (NP (CD 90) (NNS minutes)) (PP (IN of) (NP (PRP$ your) (NN time)))))))
(ROOT (S (VP (VB ) (NP (NP (CD ) (NNS )) (PP (IN ) (NP (PRP$ ) (NN )))))))