With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sherrybaby is a television series.
text_B: In set theory , in graph theory , and in computer science , a tree is either of the following things , conceptually related but distinct .. In all these concepts , an infinite tree is a tree of infinite size .. Tree -LRB- set theory -RRB-  : a generalization of a well-ordered set , also admitting many-rooted trees. well-ordered set. well-ordered set. Tree -LRB- graph theory -RRB-  : a connected undirected graph without simple cycles. connected. connectedness. undirected graph. undirected graph. simple cycles. cycle ( graph theory ). Tree -LRB- data structure -RRB-  : a data structure simulating a single-rooted , directed hierarchy -LRB- due to the requirement of computer-implementability , only rational trees rather than arbitrary infinite trees are admitted -RRB-. To do  :. Expand this disambiguation page to an own article on infinite trees , also defining rational trees -LRB- see Occurs check , and relating all above concepts . -RRB-. Occurs check. Occurs check
not_related.