将以下几个单词用法在句子中使用。

reluctant、vivid、dissent、conflict
1. She was reluctant to try the new restaurant because she had heard bad reviews.
2. The sunset was vivid and colorful, painting the sky with hues of orange and pink.
3. There was dissent among the members of the committee about how to proceed with the project.
4. The conflict between the two nations resulted in a declaration of war.