Based on the context and the answer, generate a question. 

Context: I went grocerie shopping and spent $ 221 freaking dollars . That sucks . I believe I have finally submitted the last piece of bureaucratic bs paper - work to the school . Today is cardio only at the gym , I am contemplating doing the spin class tonight .

Answer:

I needed to do a cardiovascular activity .



What may be your reason for wanting to do the spin class tonight ?