Assertion: flight | /r/HasProperty | 110 steps
Facets:
Source sentences:
text: It had 30 healthy but sedentary obese women (ages 60 to 82) engage in progressive aerobic training on five flights of stairs (110 steps), either by going only up or only down (they took an elevator to go the other direction), twice a week for 12 weeks, gradually increasing the number of flights per week.