Assertion: marijuana's chemical | /r/HasProperty | changed
Facets:
value: often
type: TEMPORAL
Source sentences:
text: It is important to remember that chemicals are often being changed as the makers of Spice often alter them to avoid drug laws, which have to target certain chemicals.
text: It is important to remember that chemicals are often being changed as the makers of Spice often alter them to avoid drug laws, which have to target certain chemicals.