<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: 'To bypass Google Play Store security checks , the malware creators used a very interesting method : they uploaded a clean app to the store at the end of March , 2017 , and would then update it with a malicious version for short period of time .' [/INST] [To:O, bypass:O, Google:B-System, Play:I-System, Store:I-System, security:O, checks:O, ,:O, the:O, malware:O, creators:O, used:O, a:O, very:O, interesting:O, method:O, ::O, they:O, uploaded:O, a:O, clean:O, app:O, to:O, the:O, store:O, at:O, the:O, end:O, of:O, March:O, ,:O, 2017:O, ,:O, and:O, would:O, then:O, update:O, it:O, with:O, a:O, malicious:O, version:O, for:O, short:O, period:O, of:O, time:O, .:O] </s>