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’.

Example Input: Your credits have been topped up. Your renewal Pin is tgxxrz
Example Output: spam

Example Input: They don't put that stuff on the roads to keep it from getting slippery over there?
Example Output: ham

Example Input: Okies... I'll go yan jiu too... We can skip ard oso, go cine den go mrt one, blah blah blah... 
Example Output:
ham