digraph reqdeps {
rankdir=BT;
mclimit=10.0;
nslimit=10.0;ranksep=1;
subgraph cluster_GRAPH_ReqsDocument {
 label="Topic: ReqsDocument";
 "project" [fontcolor=red,label="project\n[10.00]"];
 subgraph cluster_GRAPH_WhatsAbout {
  label="Topic: WhatsAbout";
  "req1" [fontcolor=red,label="req1\n[10.00]"];
  }
 }
"req1" -> "project";
}
