<alice> <follows> <bob> .
<bob> <follows> <alice> .
<charlie> <follows> <bob> .
<dani> <follows> <charlie> .
<dani> <follows> <alice> .
<alice> <is> "cool" .
<bob> <is> "not cool" .
<charlie> <is> "cool" .
<dani> <is> "not cool" .
