Fact 1: Islands are surrounded by water.<br>Fact 2: Maui is an island.<br>Fact 3: Maui was formed by a volcano.<br><br>If the first three statements are facts, which of the following statements must also be a fact?<br>I: Maui is surrounded by water.<br>II: All islands are formed by volcanoes.<br>III: All volcanoes are on islands.

Correct Answer: I only
Since Maui is an island and islands are surrounded by water,Maui must be surrounded by water. There is not enough information to support statements II and III.