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’.

[EX Q]: Nope... Think i will go for it on monday... Sorry i replied so late
[EX A]: ham

[EX Q]: That way transport is less problematic than on sat night. By the way, if u want to ask  n  to join my bday, feel free. But need to know definite nos as booking on fri. 
[EX A]: ham

[EX Q]: Please call our customer service representative on 0800 169 6031 between 10am-9pm as you have WON a guaranteed £1000 cash or £5000 prize!
[EX A]:
spam