Considering the nuanced characteristics of rentier economies in the Middle East, which of the following Middle Eastern countries can be classified as rentier states, primarily due to their substantial reliance on oil and gas revenues for economic stability and government funding? Group of answer choices Iran, with its significant oil reserves but relatively diverse economic activities Turkey, situated at the crossroads of Europe and Asia, with diverse economic activities and minimal dependence on oil exports Lebanon, a country in the Middle East with a unique political and economic situation, heavily influenced by external factors Egypt, which is located in the Middle East but does not possess substantial oil and gas reserves Saudi Arabia, known for its vast oil reserves and a high degree of reliance on oil exports