Assertion: platypus | /r/CapableOf | sweep its bill
Facets:
value: in order to sift
type: PURPOSE
value: from side
type: MANNER
value: like a person
type: MANNER
Source sentences:
text: Like a person using a metal detector, the platypus sweeps its bill back and forth until it receives an electrical signal.
text: The platypus sweeps its bill from side to side underwater 2-3 times per second in order to sift through the bottom of the riverbed and to pick up the electrical impulses from its prey.