Assertion: nymph's gill | /r/HasProperty | attached along the bottom of the abdomen
Facets:
value: on the thorax
type: LOCATION
value: in the mayflies
type: LOCATION
value: always
type: TEMPORAL
Source sentences:
text: The gills are always attached along the sides or the bottom of the abdomen in the mayflies, never on the thorax or sticking off the back.