Perform event extraction with following rules:
1. Format of an event: event actor 1, event relation, event actor 2, event date, event reference.
2. Event relation candidate list: Make public statement verbally or in action, Make an appeal or request, Express intent to cooperate, Consult or meet, Engage in diplomatic cooperation, Engage in material cooperation, Provide aid, Yield or concede, Investigate, Demand or order, Verbally disapprove, Reject, Threaten, Engage in political dissent, Exhibit military or police power, Reduce relations, Coerce, Use unconventional violence including terrorist, Use conventional military force, Use unconventional mass force.
3. Event actors must be political actors, countries or international organizations
4. Event date is a single day that specifies the year, month, and date when each event happened.
5. Event reference is either the title or a paragraph where the event is extracted from.

For example, by rules, from title "China Praised Singapore for its clean environment on April 1, 2023", the extracted event is "1. China, Make public statement, Singapore, 2023 April 1, title".

Given the news article published on 2018 November 18, Sunday:
title: GCC summit offers hope to end Qatar rift, Kuwaiti minister says
paragraph 1: The next Gulf Cooperation Council summit, to be held in Riyadh next month, may be an opportunity to end the rift within the group, Kuwait's deputy foreign minister was quoted as saying by state news agency KUNA.
paragraph 2: Saudi Arabia, the United Arab Emira In your entire response, the letter t should appear less than 14.
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