to_entries[] | .key as $ty | .value |to_entries[] | .key as $list | .value as $m | .value |("\($list): \($m|length) size" | debug) as $_ |to_entries[] | .key as $ngram | .value |select(.root) | debug |select( # We keep only records with errors .root and # We need .root ( $m[.root].root != null or # A root should have no root itself .parent != .root and # We need .parent different .root $m[.parent].root != .root # The parent's root should the same root. )) |{$ty, $list, $ngram, data: .}