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: What is this 'hex' place you talk of? Explain!
Example Output: ham

Example Input: Almost there, see u in a sec
Example Output: ham

Example Input: Please CALL 08712402779 immediately as there is an urgent message waiting for you
Example Output:
spam