Question: The Transitions were an R&B group hand-picked by a founding member of what two groups?

Documents:
source: Michael Bivins
text: Michael Bivins Michael Lamont Bivins (born August 10, 1968) is an American singer and rapper, and a founding member of New Edition and Bell Biv DeVoe.

source: The Transitions
text: The Transitions The Transitions were an R&B group formed in the early 2000s in the United States. They were signed to the record label Universal Music Group. The group was hand-picked by veteran R&B artist Michael Bivins. Each member of the trio came to Bivins individually in hopes of a solo contract, but the producer had other plans, bringing the talents of the three together:

source: Magnetic dipole transition
text: Magnetic dipole transition The interaction of an electromagnetic wave with an electron bound in an atom or molecule can be described by time-dependent perturbation theory. Magnetic dipole transitions describe the dominant effect of the coupling to the magnetic part of the electromagnetic wave. They can be divided into two groups by the frequency at which they are observed: optical magnetic dipole transitions can occur at frequencies in the infrared, optical or ultraviolet between sublevels of two different electronic levels, while magnetic Resonance transitions can occur at microwave or radio frequencies between angular momentum sublevels within a single electronic level. The latter are called Electron Paramagnetic Resonance (EPR) transitions if they are associated with the electronic angular momentum of the atom or molecule and Nuclear Magnetic Resonance (NMR) transitions if they are associated with the nuclear angular momentum.

source: Mundos Opuestos (TV series)
text: Mundos Opuestos (TV series) Mundos Opuestos is a Chilean reality show produced and broadcast on Canal 13. 22 participants (10 famous and 12 unknown) initially entered production, being isolated in a house in Pirque, southeast of Santiago de Chile. The premise of the competition is that participants will be divided into two groups, one about living "the life of the future" and the other about living "the life of the past". The two worlds present in the house were separated by a glass wall, allowing both groups to observe the actions of the other, the direct interaction between the two groups of participants is given in the courtyard, known as "the present". Participants of the two existing groups compete each week in various physical tests to determine which group will live in the past, and which will live in the future and to determine which participant will be eliminated from the competition.

source: Throwback, Vol. 1
text: Throwback, Vol. 1 Throwback, Vol. 1 (also known as simply Throwback) is a 2004 covers album by R&B group Boyz II Men, released by Koch Records, and featuring covers of classic R&B songs (hence the album title) from such artists as Teddy Pendergrass, The Isley Brothers and Michael Jackson. The album was their first as a trio, after founding member Michael McCary left the group due to chronic back problems.

source: Group isomorphism
text: Group isomorphism In abstract algebra, a group isomorphism is a function between two groups that sets up a one-to-one correspondence between the elements of the groups in a way that respects the given group operations. If there exists an isomorphism between two groups, then the groups are called isomorphic. From the standpoint of group theory, isomorphic groups have the same properties and need not be distinguished.

source: Ricky Owens
text: Ricky Owens Ricky Owens (born Richard Edgar Owens in St. Louis, Missouri) (April 24, 1939 - December 6, 1996) was an American R&B and soul singer better known as the first tenor and lead singer of the doo-wop/R&B group The Vibrations and, briefly, as member of The Temptations, the first replacement of original Temptations founding member Eddie Kendricks. He was then soon afterwards replaced by Damon Harris in the group while he returned to The Vibrations.

source: Caron Wheeler
text: Caron Wheeler Caron Wheeler (born 19 January 1963) is a British singer, songwriter, record producer and musician. Born and raised in London, she performed in various singing competitions as a teenager and began her recording career as one of the founding members of Brown Sugar. She was also one of the founding member of the female backing vocalist group Afrodiziak. She officially rose to fame in the late 1980s as lead singer of R&B group Soul II Soul. Managed by her fellow bandmate, Jazzie B, the group became one of the London's best-selling groups of all time. Their debut album, "Club Classics Vol. One" (1989), which established them as a global success worldwide, earned two Grammy Awards and featured the UK and Billboard number-one singles "Keep on Movin'" and "Back to Life (However Do You Want Me)".

source: Trina Braxton
text: Trina Braxton Trina Evette Braxton (born December 3, 1974) is an American singer, actress and reality television personality. She is a younger sister of R&B singing icon Toni Braxton. Trina had her first big break in music in 1992 as a founding member of the R&B group The Braxtons, formed with her sisters. After losing two members, The Braxtons released their only album, "So Many Ways", as a trio in 1996 along with four singles: "So Many Ways", "Only Love", "The Boss", and "Slow Flow".

source: David Frank (musician)
text: David Frank (musician) David Martin Frank (born November 13, 1952) is an American music producer, composer, classically trained pianist, and founding member of the 1980s R&B group The System. Yamaha Music calls him "the founding father of electronic R&B."

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Answer: New Edition and Bell Biv DeVoe