Assertion: glider | /r/CapableOf | gain altitude
Facets:
Source sentences:
text: If the pilot can locate a pocket of air that is rising faster than the glider is descending, the glider can actually gain altitude, increasing its potential energy.
text: In order to fly for hours and for long distances a glider needs to be able to gain altitude or, at a minimum, maintain altitude.
text: The result will be that the glider is able to gain altitude or at least maintain its altitude.