Full Idea
It is unnatural to describe an individual as intending that the group do something together. ...What could possibly express my intention that we move the piano upstairs?
Gist of Idea
An individual cannot express the intention that a group do something like moving a piano
Source
Rowland Stout (Action [2005], 7 'Shared')
Book Reference
Stout,Rowland: 'Action' [Acumen 2005], p.114
A Reaction
Two possible answers: it makes sense if I have great authority within the group. 'I'm going to move the piano - you take that end'. Or, such expressions are implicitly conditional - 'I intend to move the piano (if you will also intend it)'.