text: Meryl: So where should we go in February?
  Charles: Mauritius?
  Tom: I would prefer Argentina
  Charles: aren't flights to Buenos Aires much more expensive 
  Tom: actually the prices are quite similar
  Meryl: for Argentina we'd need at leat 3 weeks
  Meryl: Mauritius is small and perfect to rest
  Charles: you're right
target: Meryl and Charles prefer to visit Mauritius in February. Tom prefers Argentina. Flight prices to Mauritius and Buenos Aires are similar.