In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

If more than one city from the same country gives a proposal to its NOC , the national group chooses which city will run for host .
The prospective host city applies to its country 's National Olympic Committee ; if more than one city from the same country submits a proposal to its NOC , the national committee typically holds an internal selection , since only one city per NOC can be presented to the International Olympic Committee for consideration .