premise: Off Grafton Street is Kehoe's (South Anne Street), a favorite watering spot; and on Duke Street are two pubs with with Ulysses connections Davy Byrne's, where Leopold Bloom ate a gorgonzola sandwich and drank a glass of wine, and Bailey's, a busy, trendy pub on the site of Leopold Bloom's house.
hypothesis: The watering spot is off Grafton Street.