Assertion: tree's node | /r/HasAspect | exactly 1 leaf node
Facets:
value: except for the bottommost node
type: OTHER
Source sentences:
text: A special case of a decision tree is a decision list, which is a one-sided decision tree, so that every internal node has exactly 1 leaf node and exactly 1 internal node as a child (except for the bottommost node, whose only child is a single leaf node).