    Sentence 1: 1n thé total external  disk storage system market °,  revenue. increased 1.5 percent  year: ‘over year. ity the : third  quarter ,:to $ 3.2 billion .    Sentence::2: In the. total. external  disk, sterage system market ,  McArthur ‘said revenue increased.  15 percent year-over-year in Q3  to $.3.2 billion’: