--- a
+++ b/test/mantra/data_util.py
@@ -0,0 +1,35 @@
+import os
+
+
+def load_file(filepath):
+    with open(filepath, "r", encoding="utf-8") as f:
+        lines = f.readlines()
+    lines = [line.strip() for line in lines if line.strip().startswith("<e")]
+
+    output_label = []
+    output_text = []
+    label_set = set()
+
+    for line in lines:
+        term_start = line.find(">")
+        cui_start = line.find("cui=")
+        term = line[term_start + 1:-4]
+        cui = line[cui_start + 5:cui_start+13]
+        output_label.append(cui)
+        output_text.append(term)
+        label_set.update([cui])
+
+    return output_text, output_label, label_set
+
+def load(dataset, lang):
+    file_path = os.path.join("dataset", dataset + "_GSC_" + lang + "_man.xml")
+    output_text, output_label, label_set = load_file(file_path)
+    print(dataset, lang)
+    print(f"Load count: {len(output_text)}")
+    print(f"Different cui: {len(label_set)}")
+    return output_text, output_label, label_set
+
+if __name__ == "__main__":
+    output_text, output_label, label_set = load("EMEA", "de")
+    print(output_text[0:5])
+    print(output_label[0:5])