<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: 'Of course , not all the opcodes are can be easily read and understood due to additional steps that the authors have taken to make analysis extremely complicated .' [/INST] [Of:O, course:O, ,:O, not:O, all:O, the:O, opcodes:O, are:O, can:O, be:O, easily:O, read:O, and:O, understood:O, due:O, to:O, additional:O, steps:O, that:O, the:O, authors:O, have:O, taken:O, to:O, make:O, analysis:O, extremely:O, complicated:O, .:O] </s>