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’.

Q: Where are the garage keys? They aren't on the bookshelf

A: ham
****
Q: The message sent is askin for  &lt;#&gt; dollars. Shoul i pay  &lt;#&gt;  or  &lt;#&gt; ?

A: ham
****
Q: YOU 07801543489 are guaranteed the latests Nokia Phone, a 40GB iPod MP3 player or a £500 prize! Txt word:COLLECT to No:83355! TC-LLC NY-USA 150p/Mt msgrcvd18+

A:
spam
****