Assertion: morphine's effect | /r/HasProperty | lightheadedness
Facets:
Source sentences:
text: Side effects include nausea, constipation, lightheadedness, or drowsiness.
text: Side effects include nausea, constipation, lightheadedness, or drowsiness.
text: Side effects include drowsiness, lightheadedness, dryness of the mouth, weakness, and nausea.