A trip to Pamukkale usually includes a visit to the site of the ancient city of Aphrodisias.
Most of the time, when someone goes to Pamukkale, they also go to Aphrodisias. 
mnli hypothesis: Most of the time, when someone goes to Pamukkale, they also go to Aphrodisias.  premise: A trip to Pamukkale usually includes a visit to the site of the ancient city of Aphrodisias.