Assertion: asthma's trigger | /r/HasProperty | thing
Facets:
value: in the environment
type: LOCATION
Source sentences:
text: Another tactic used in asthma treatment includes avoiding triggers -- the things that cause asthma attacks or make associated symptoms worse.
text: Asthma triggers are things that set off or worsen asthma symptoms.
text: Asthma triggers are things in the environment that a person with asthma could react to.