Fact 1: Islands are surrounded by water. Fact 2: Maui is an island. Fact 3: Maui was formed by a volcano. If the first three statements are facts, which of the following statements must also be a fact? I: Maui is surrounded by water. II: All islands are formed by volcanoes. III: All volcanoes are on islands.
- A. I only
- B. II only
- C. III only
- D. None of the statements is a known fact
Answer: A. I only
Explanation: From the stated facts, only Statement I is a logically sound and valid conclusion.