Assertion: iodic acid's iodine | /r/HasProperty | extracted
Facets:
value: from seawater
type: LOCATION
value: prior to this
type: TEMPORAL
value: from kelp
type: OTHER
Source sentences:
text: Most iodine now is extracted from seawater.
text: Prior to this, iodine was extracted from kelp.
text: Most iodine now is extracted from seawater.