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: I am not sure about night menu. . . I know only about noon menu
Example Output: ham

Example Input: Then why you not responding
Example Output: ham

Example Input: Waiting for your call.
Example Output:
ham