Rooms 14-16 on the second floor display the finest remaining frescoes found throughout the Minoan kingdoms dating from 1600-1400.
The second floor contains a gift shop while the first floor contains fine frescoes. 
mnli hypothesis: The second floor contains a gift shop while the first floor contains fine frescoes.  premise: Rooms 14-16 on the second floor display the finest remaining frescoes found throughout the Minoan kingdoms dating from 1600-1400.