Assertion: nymph's gill | /r/HasProperty | attached along side
Facets:
value: on the thorax
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.
text: Mayfly larvae (also called naiads or nymphs) are slender and soft-bodied, like adults, though they lack wings, have a series of leaflike or feathery external gills attached along the sides or on the top rear portion of the abdomen, have smaller eyes than adults, and often have a flattened head that helps them to adhere to rocks in fast-flowing water.