Premise: From Otemachi subway station, you enter the gardens at the Otemon Gate and wander through hedgerows of white and pink azaleas, around ponds and little waterfalls edged with pines, plum trees, canary palms, and soft green cryptomeria japonica.

Hypothesis: You cannot enter the gardens at the Otemon Gate coming from the Otemachi subway station. 
Relation: contradiction