func getAnnotation(node *pb.TreeNode) string {
if node.GetAnnotation() == nil || node.GetAnnotation().LeftFraction == nil {
return ""
}
if node.GetAnnotation().GetLeftFraction() > 0.5+*likelyThreshold {
return "LIKELY"
}
if node.GetAnnotation().GetLeftFraction() < 0.5-*likelyThreshold {
return "UNLIKELY"
}
return ""
}
