diff --git a/data/gentle/labelled.csv b/data/gentle/labelled.csv
new file mode 100644
index 0000000..37b7273
--- /dev/null
+++ b/data/gentle/labelled.csv
@@ -0,0 +1,892 @@
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diff --git a/data/gentle/unlabelled.csv b/data/gentle/unlabelled.csv
new file mode 100644
index 0000000..60e95ce
--- /dev/null
+++ b/data/gentle/unlabelled.csv
@@ -0,0 +1,419 @@
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diff --git a/data/rough/labelled.csv b/data/rough/labelled.csv
new file mode 100644
index 0000000..032fee1
--- /dev/null
+++ b/data/rough/labelled.csv
@@ -0,0 +1,892 @@
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diff --git a/data/rough/unlabelled.csv b/data/rough/unlabelled.csv
new file mode 100644
index 0000000..60609ae
--- /dev/null
+++ b/data/rough/unlabelled.csv
@@ -0,0 +1,419 @@
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