Assertion: mountaineering | /r/HasAspect | limited window of opportunity
Facets:
value: very
type: DEGREE
value: in order to ensure a safer climb
type: PURPOSE
Source sentences:
text: Unlike regular trekking in Tibet, which can normally be done from April to the end of October, high-altitude trekking over 6,500 meters and mountaineering has a very limited window of opportunity in order to ensure a safer climb.