2. LIFE ON OTHER PLANETS Talk about the existence of UFOs. Do you believe in the existence of UFOs? Why?/ Why not?2. LIFE ON OTHER PLANETS Talk about the existence of UFOs. Do you believe in the existence of UFOs? Why?/ Why not?    2. LIFE ON OTHER PLANETS Talk about the existence of UFOs. Do you believe in the existence of UFOs? Why?/ Why not?   2. LIFE ON OTHER PLANETS Talk about the existence of UFOs. Do you believe in the existence of UFOs? Why?/ Why not?