Are there really UFO's flying around?
user
You can say that there are people who claim to have seen a UFO.  They report that they’ve seen a strange flying object, that sometimes seemed to move or change shape.  But that these sightings are pretty rare,
assistant
Are there really UFO's flying around?
user
You mean, like, that spaceships from other worlds are landing in the Nevada desert?
assistant
Are there really UFO's flying around?