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: Under the sea, there lays a rock. In the rock, there is an envelope. In the envelope, there is a paper. On the paper, there are 3 words... '
Example Output: ham

Example Input: Probably money worries. Things are coming due and i have several outstanding invoices for work i did two and three months ago.
Example Output: ham

Example Input: U calling me right? Call my hand phone...
Example Output:
ham