Well, I don't know if the sheep is happy, but I was. In the tradition of Lost Pig and baby tree (2 very different games), we have sheep here, a terse, uncapitalized game consisting of brief sentences.
The aesthetic works for the game. A large chunk of the game consists of randomized text, with many clever results.
The game accounts for many, but not all, standard responses. A couple of these responses made me laugh out loud.
The subtitle about non-procedurally generated grass probably refers to a discussion in intfiction and euphoria chat about how randomness is not the same as procedural generation.
This game was entered in the Tiny Utopia jam, providing a fascinating concept of "utopia".
There were a few issues (like the moon being listed after it left), and even more commands could have been implemented. But these are minor quibbles.