If possible, please provide a brief description of what is wrong with this exercise.
A lone selbri or sumti does not make a proposition/claim; therefore "zdani" alone is only a jufra, not a bridi.
Exercise payload: {"shouldDisplayHint":false,"exercise":{"alternatives":["bridi and jufra","only jufra"],"sentences":[{"text":"zdani","lojbanic":true}],"title":"Bridi or jufra?","type":"single-choice"}}
Description
If possible, please provide a brief description of what is wrong with this exercise. A lone selbri or sumti does not make a proposition/claim; therefore "zdani" alone is only a jufra, not a bridi.
Diagnostics information (do not remove)