<prompt> Tafuta na taja sitiari iliyotumika katika kifungu.Maisha ni kama roller coaster; ina heka heka zake, na huwezi jua nini kiko mbele.  <response>: Sitiari: Maisha ni kama roller coaster. Nukuu: Maisha ni kama roller coaster; ina heka heka zake, na huwezi kujua nini kina mbele. 