flying saucer
...that British Rail had a design for a flying saucer?
...that <a href="./British_Rail" id="mwBvQ" rel="mw:WikiLink" title="British Rail">British Rail</a> had a design for a <b id="mwBvU"><a href="./British_Rail_flying_saucer" id="mwBvY" rel="mw:WikiLink" title="British Rail flying saucer">flying saucer</a></b>?