Assertion: plankton | /r/HasProperty | weak
Facets:
Source sentences:
text: Plankton are a group of marine and freshwater organisms that drift along ocean currents because they are too small or weak to swim against them.
text: Plankton are a diverse group of marine and freshwater organisms that, because they are either nonmotile or too small and weak, cannot swim against the current and as such exist in a drifting state.