<s>[INST] You are a cybersecurity and NLP expert tasked with named entity extraction. You need to provide the named entities for each token in the given sentence. You will be penalized for incorrect predictions. Identify the entities for the following sentence: 'A short , constant string of characters is inserted at strategic points to break up keywords : At runtime , the delimiter is removed before using the string : API OBFUSCATION SMS and toll fraud generally requires a few basic behaviors ( for example , disabling WiFi or accessing SMS ) , which are accessible by a handful of APIs .' [/INST] [A:O, short:O, ,:O, constant:O, string:O, of:O, characters:O, is:O, inserted:O, at:O, strategic:O, points:O, to:O, break:O, up:O, keywords:O, ::O, At:O, runtime:O, ,:O, the:O, delimiter:O, is:O, removed:O, before:O, using:O, the:O, string:O, ::O, API:O, OBFUSCATION:O, SMS:O, and:O, toll:O, fraud:O, generally:O, requires:O, a:O, few:O, basic:O, behaviors:O, (:O, for:O, example:O, ,:O, disabling:O, WiFi:O, or:O, accessing:O, SMS:O, ):O, ,:O, which:O, are:O, accessible:O, by:O, a:O, handful:O, of:O, APIs:O, .:O] </s>