Pr0211 c
Pr0211 c and two other planets , Pr0211 b and Pr0201 b are notable for being one of the first exoplanets discovered in the Beehive cluster located in the constellation Cancer , and for being the first multi-planet system discovered in an open cluster . 
<triplet> Pr0211 c <subj> Cancer <obj> constellation <triplet> Pr0211 b <subj> Cancer <obj> constellation <triplet> Pr0201 b <subj> Cancer <obj> constellation <triplet> Beehive cluster <subj> Cancer <obj> constellation <subj> open cluster <obj> instance of <triplet> Cancer <subj> constellation <obj> instance of