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: Hahaha..use your brain dear
Example Output: ham

Example Input: But I'm on a diet. And I ate 1 too many slices of pizza yesterday. Ugh I'm ALWAYS on a diet.
Example Output: ham

Example Input: Thanks a lot for your wishes on my birthday. Thanks you for making my birthday truly memorable.
Example Output:
ham