Assertion: glucosamine | /r/HasProperty | the cause of the asthma attack
Facets:
Source sentences:
text: It is not known for sure if glucosamine was the cause of the asthma attack.
text: It is not known for sure if glucosamine was the cause of the asthma attack.
text: It is not known for sure if glucosamine was the cause of the asthma attack.