<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: 'When DualToy began to spread in January 2015 , it was only capable of infecting Android devices .' [/INST] [When:O, DualToy:B-Malware, began:O, to:O, spread:O, in:O, January:O, 2015:O, ,:O, it:O, was:O, only:O, capable:O, of:O, infecting:O, Android:B-System, devices:O, .:O] </s>