Assertion: foul | /r/CapableOf | hover through filthy air
Facets:
Source sentences:
text: It is in this scene that the theme is first presented, as the tree witches chant, “Fair is foul, and foul is fair, hover through the fog and filthy air
text: From their very first appearance, the witches provide a setting for the play and foreshadow that something in nature will be upset by ending the scene with the famous quote, “fair is foul, and foul is fair/hover through the fog and filthy air” (1.12-13).