Assertion: tree's child | /r/HasProperty | red
Facets:
value: respectively
type: DEGREE
Source sentences:
text: Sedgewick originally allowed nodes whose two children are red, making his trees more like 2-3-4 trees, but later this restriction was added, making new trees more like 2-3 trees.
text: -1 (depending on whether the child is red or black, respectively).