premise: Wildlife enthusiasts should visit the nature reserve at Periyar, a drive of 194 km (120 miles) from Cochin, where elephants, bison, and birds can be seen from the unique vantage point of an artificial lake.
hypothesis: 194 km (120 mi) from Cochin is the nature reserve at Periyar, where those interested in wildlife can watch from the lake and see elephants, bison, and birds.