In this task, you are given two sentences taken from a conversation, and your job is to classify whether these given sentences are sequential or not. We will mark the given sentence pair as 'True' if it's sequential, otherwise 'False'. The two sentences are spoken by two different people. 

 Ella: we were thinking natural stone, river rock. right off the deck., Frank: Okay. How's next Thursday for you? the 15th? 
True