But , uh , if you don't know what you 're  what you 're focus is then you 're  you 're hopeless - uh - ly lost anyways ,
Yeah.
Right. That 's fine , yeah. Mm - hmm.
and the only way of figuring out what that is ,  is , um , by sort of generating all the possible alternatives to each focused element , decide which one in that context makes sense and which one doesn't.