Yes it is possible.

The given input statement "this is this" is a straightforward declaration of 
identity. It indicates that the subject and object being referred to are the same, 
without any ambiguity or doubt. This statement could be interpreted as a way of 
confirming an observation or opinion, reassuring someone of a fact, or simply 
acknowledging a common understanding of a particular situation or topic. Overall, the 
phrase conveys a sense of simplicity and clarity, making it an effective way to 
convey a clear and concise message.