Assertion: drought | /r/HasProperty | difficult
Facets:
value: very
type: DEGREE
value: always
type: TEMPORAL
Source sentences:
text: Drought can therefore be difficult for people to understand.
text: Drought is a difficult concept to define.
text: Drought has always been difficult to define because it varies based on location and associated impacts to the human and natural environment (2).
text: Drought is very difficult to measure.
text: Drought can, therefore, be difficult for people to understand.