Assertion: millipede's segment | /r/HasAspect | one pair
Facets:
Source sentences:
text: One pair per body segment Two pairs per body segment, except for the first three segments, which have one pair each Appearance of legs Visibly extend from sides of body; trail backward behind body Do not visibly extend from body; rear leg pairs in line with body Movement Fast runners
text: The first four thoracic segments each bear a single pair of legs, but the following abdominal segments all have two pairs.