TASK DEFINITION: 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’.
PROBLEM: Free msg. Sorry, a service you ordered from 81303 could not be delivered as you do not have sufficient credit. Please top up to receive the service.

SOLUTION: spam

PROBLEM: Did you hear about the new "Divorce Barbie"? It comes with all of Ken's stuff!

SOLUTION: spam

PROBLEM: Was actually sleeping and still might when u call back. So a text is gr8. You rock sis. Will send u a text wen i wake.

SOLUTION:
ham