Complex sentence: There are two temporary stations, but as there have been no stops at Nishi-Sendai Hi-Land and Yatsumori since October 2004 and June 2003, respectively, they are now considered'long-term inoperative' stations, and unlikely to be reactivated soon.
Split into simpler sentences: There are two temporary stations, but as there have been no stops at Nishi-Sendai Hi-Land and Yatsumori since October 2004 and June 2003, respectively. They are now considered'long-term inoperative' stations, and unlikely to be reactivated soon.