positive

"We have identified a strong link between this positive social behavior, known to elicit joyous emotions, and some of the more intricate forms of cooperation seen in non-human species."

The positive nature of these interactions is emphasized through "play faces" and panting vocalizations, which the researchers liken to human smiles and laughter.

They also are curious to know whether chimpanzees consciously decide to play as an intentional strategy to foster engagement or if the positive effects of play naturally promote cooperation without the chimpanzees meaning to do so.

Inspector General Max Huntsman also framed the ruling as a positive.

Musicians' Union general secretary Naomi Pohl said it was "certainly positive to see the artistic vision coming through in the announcement from ENO and we wish to see them flourish and grow".