Task: Question Answering
Input (English): Context: I imagined sitting and smoking the shisha again , which so perfectly slows down the flow of time . Talking in our unpolished english about religion and politics and women and our biographies . Judging from the dark void punctuated by these few signs , we could be headed everywhere , Chiapas maybe , or Athens , or Sassari . 
Question: What about shisha causes it to slow down the perception of time ?
Output (English): The shisha tobacco contains nicotine , which is a psychoactive chemical and is mind - altering.