With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Hangover Part III stars Ed Helms and Justin Bartha.
text_B: In phonology , apocope -LRB- -LSB- əˈpɒkəpiː -RSB- -RRB- is the loss -LRB- elision -RRB- of one or more sounds from the end of a word , and especially the loss of an unstressed vowel .. phonology. phonology. elision. elision
not_related.