SHRDLU was a simple world you could manipulate with English prose back in the 1960s. https://en.wikipedia.org/wiki/SHRDLU https://en.wikipedia.org/wiki/SHRDLU

SHRDLU was a simple world you could manipulate with English prose back in the 1960s. https://en.wikipedia.org/wiki/SHRDLU https://en.wikipedia.org/wiki/SHRDLU Unless you feel you need flowery expressive input as well as output. But do we really need input more sophisticated than that of Zork here?