Marshall Islands:

The Marshall Islands, officially the Republic of the Marshall Islands (Marshallese: Aolepān Aorōkin M̧ajeļ),[note 1] is an island country located near the equator in the Pacific Ocean, slightly west of the International Date Line. Geographically, the country is part of the larger island group of Micronesia. The country's population of 53,158 people (at the 2011 Census) is spread out over 29 coral atolls, comprising 1,156 individual islands and islets. The islands share maritime boundaries with the Federated States of Micronesia to the west, Wake Island to the north,[note 2] Kiribati to the south-east, and Nauru to the south. About 27,797 of the islanders (at the 2011 Census) live on Majuro, which contains the capital.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What country borders the Marshall Islands on the western side?
the Federated States of Micronesia