Simplify the following text for a Grade 7 native English-speaking person.
Original: Although the Berlin Zoo conceded NeumÃ 1\/4 nster 's ownership of Knut due to a previous agreement , it contended that the other zoo has no right to its proceeds . NeumÃ 1\/4 nster had previously tried to negotiate with Berlin Zoo , but later sought a court ruling in their favor .
Simplified: NeumÃ 1\/4 nster had tried to be friendly with Berlin Zoo at first , but now was trying to use the court to make them give part of the money that came from Knut .