With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The phalanx may be deployed for killing.
text_B: The phalanx -LRB- φαλαγξ plural phalanxes or phalanges , φαλαγγες , phalanges -RRB- was a rectangular mass military formation , usually composed entirely of heavy infantry armed -RSB- s , pikes , sarissas , or similar weapons .. rectangular. rectangular. formation. tactical formation. heavy infantry. heavy infantry. pikes. pike ( weapon ). The term is particularly -LRB- and originally -RRB- used to describe the use of this formation in Ancient Greek warfare , although the ancient Greek writers used it to also describe any massed infantry formation , regardless of its equipment , as does Arrian in his Array against the Alans when he refers to his legions .. formation. tactical formation. Ancient Greek. Ancient Greece. Arrian. Arrian. In Greek texts , the phalanx may be deployed for battle , on the march , even camped , thus describing the mass of infantry or cavalry that would deploy in line during battle .. They marched forward as one entity .. The word phalanx is derived from the Greek word phalangos , meaning finger .. finger. finger. The term itself , as used today , does not refer to a distinctive military unit or division -LRB- e.g. , the Roman legion or the contemporary Western-type battalion -RRB- , but to the general formation of an army 's troops .. formation. tactical formation. Thus a phalanx does not have a standard combat strength or composition but includes the total number of infantry , which is or will be deployed in action in a single phalanx formation .. formation. tactical formation. Many spear-armed troops historically fought in what might be termed phalanx-like formations .. The word has come into use in common English to describe `` a group of people standing , or moving forward closely together '' ; c.f. `` a phalanx of police '' .. This article focuses on the use of the military phalanx formation in Ancient Greece , the Hellenistic world , and other ancient states heavily influenced by Greek civilization .. formation. tactical formation. Ancient Greece. Ancient Greece. Hellenistic world. Hellenistic civilization
related.