Space Shuttle technicians believe tomorrow's launch should be delayed. Yesterday's hailstorm broke greenhouse windows and damaged cars in nearby parking lots so it may have damaged the insulation covering the Shuttle's external fuel tank. A safety inspection of the Shuttle would take at least a week so tomorrow's launch should obviously be delayed because the hailstorm may have damaged the Shuttle's external fuel tank insulation. Conclusion flags: believe, should, may, should, obviously, may. Support flags: because Link flags: so, so Which of the above flag terms connects the tributary conclusion and the main conclusion?