Zara and Moose are a perfect team, but Moose doesn’t like that he cannot go to school with Zara. When Moose shows up, Zara always says hello, but when he is made to leave, she must say goodbye. Moose hates goodbyes and tries and tries to only have hello. Finally, Zara comes up with a solution to not have to say goodbye anymore. 

Neutral language
Only mentions the wheelchair once to talk about the tests Moose has to pass.
Does not focus on the wheelchair, just on the silly, goofy dog.