Final answer:
The statement that explains why there are few eyewitness reports is people who report strange phenomena are usually not believed.
Step-by-step explanation:
The statement that explains why there are few eyewitness reports is people who report strange phenomena are usually not believed. When individuals witness something unusual, such as unidentified lights in the sky, they may fear that others will doubt their sanity or dismiss their claims. As a result, many people choose not to report what they saw, leading to few eyewitness reports.