Two of genitive, relative, or adjectival modification are formally the same. A 'yes' value indicates that the construction for any two of these three types of modification is the same. [NEED EXAMPLE] See Gil (2008). 

<br><br><b>Reference</b><br>
Gil, David. 2008. Genitives, Adjectives and Relative Clauses.
In Haspelmath et al. (2008), chapter 60.
Available online at <a href="http://wals.info/feature/60">http://wals.info/feature/60</a href>.