Assertion: contest | /r/CapableOf | feature in addition
Facets:
Source sentences:
text: In addition, the contest featured four lead singers previously participating as backing vocalists, two of them for the same countries.
text: In addition, the contest featured two lead singers previously participating as backing vocalists for the same countries: Israel's representative Imri Ziv who backed Nadav Guedj in 2015 and Hovi Star in 2016 and  Serbia's representative Tijana Bogićević who backed Nina in 2011.