    Sentence | The Institute for. Supply  Management said its index of non-  manvtacturing activity rose to 507  from 47.9 in.March    Sentence 2: The Institute . for’ Supply  ‘Management * said’. its. indéx of ‘non-  manvtfacturing. activity rose to 507. ,  bouncing. back from -a” one-month  contraction in March at 47.2         