The interdimensional hypothesis (IDH or IH), is an idea advanced by Ufologists such as Jacques Vallee that says unidentified flying objects (UFOs) and related events involve visitations from other "realities" or "dimensions" that coexist separately alongside our own. It is an alternative to the extraterrestrial hypothesis (ETH).
Jacques Vallee is not very proud of the IDH
A: It's impossible to say

Joseph Maurice Francis Connaughton (15 August 1918 12 February 1944) was an English first-class cricketer active 1939 who played for Middlesex. He was born in Paddington. During World War II he was commissioned in the Royal Artillery. He was drowned off the Maldives after SS "Khedive Ismail" was torpedoed; and officially declared dead one year later.
Joseph Maurice Francis Connaughton is a woman.
A: No

The Melodi Grand Prix Junior 2012 was Norway's eleventh national Melodi Grand Prix Junior for young singers aged 8 to 15. It was held in Oslo Spektrum, Oslo, Norway and broadcast live Norwegian Broadcasting Corporation (NRK). It was hosted by Margrethe Red and Tooji, the winner of Norwegian Melodi Grand Prix 2012.
The champion of the Meldoi Grand Prix Junior 2012 was a singer, aged 8 to 15.
A:
Yes