In this task, you're given text messages in natural language. Your task is to classify those text messages based on their content into two classes: (1) Spam and (2) Ham messages. If the content of the given message is irrelevant to the receiver or is equally relevant to many other potential recipients then it must be labeled as ‘spam’, otherwise, it should be labeled as ‘ham’.

K. Did you call me just now ah? 
ham

Congratulations ur awarded either £500 of CD gift vouchers & Free entry 2 our £100 weekly draw txt MUSIC to 87066 TnCs www.Ldew.com 1 win150ppmx3age16
spam

WIN URGENT! Your mobile number has been awarded with a £2000 prize GUARANTEED call 09061790121 from land line. claim 3030 valid 12hrs only 150ppm 

spam