 
 <prompt> Wetin dem talk about di past? Based on di question wey dey before dis one, write small tori wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Di wahala of di flow of time, as e don dey treat for analytic philosophy, start from one paper wey J. M. E. McTaggart write. For dis paper, McTaggart suggest two "temporal series". Di first series, wey dey try explain our feelings about time wey dey move, or di Now wey dey change, dem call am di A-series. Di A-series arrange events based on whether dem dey for di past, present or future, simply and how dem relate to each other. Di B-series comot all reference to di present, and di time modalities of past and future, and arrange all events based on di time relations of earlier than and later than.``` 