question: What cities do the ferries of Palermo travel to ?
answer: Cagliari , Genoa , Livorno , Naples , Tunis
turker_answer: The ferries of Palermo travel to Cagliari , Genoa , Livorno , Naples , Tunis .
rule-based: The ferries of Palermo travel to Cagliari , Genoa , Livorno , Naples , Tunis .