<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: 'May 2018 to April 2019 : This is the actual mature stage of “ Agent Smith ” campaign .' [/INST] [May:O, 2018:O, to:O, April:O, 2019:O, ::O, This:O, is:O, the:O, actual:O, mature:O, stage:O, of:O, “:O, Agent:B-Malware, Smith:I-Malware, ”:O, campaign:O, .:O] </s>