Assertion: harpoon | /r/HasProperty | testament
Facets:
value: to all
type: TRANSITIVE-OBJECT
Source sentences:
text: The harpoon was RemoveDebris' most demanding experiment and the fact that it was a success is testament to all involved," Guglielmo Aglietti, the mission's lead investigator and the director of the Surrey Space Centre at the University of Surrey, said in a statement .