LEAD: Couple, trainee found dead at Kumamoto farm house+   Cowboys lead Eagles 7-0 after one quarter   Tokyo Stock Exchange: morning price list -7-+   Tokyo Stock Exchange: morning price list -8-+   2 MSDF vessels set sail for last refueling mission+   Tokyo Stock Exchange: morning price list -9-+   Tokyo Stock Exchange: morning price list -3-+   Tokyo Stock Exchange: morning price list -2-+   Tokyo Stock Exchange: morning price list -4-+   Tokyo Stock Exchange: morning price list -5-+   Tokyo Stock Exchange: morning price list -6-+   Tokyo Stock Exchange: morning price list -1-+   Tokyo stocks mixed, losses on stronger yen offset by dip-buying+   House health care overhaul faces Senate stone wall   CORRECTED: Torso, leg bones of college student found+   Torso, leg bones of college student found+   Government: 91 dead in El Salvador flooding   El Salvador death toll jumps to 124: Funes   Honduras president, de facto leader spar over deal   Japan's foreign reserves hit record high in Oct., 3rd month running+