いい
This library is good.
この図書館はいいです
The seats in this library are good.
この図書館は席がいいです
The seats on the third floor of this library are good.
この図書館は3階の席がいいです
The seats on the third floor of this library are good in the morning.
この図書館は朝、3階の席がいいです
The seats on the third floor of this library are better than the other floors in the morning.
この図書館は朝、他の階より3階の席がいいです