After the Ardennes offensive failed , in Hitler 's estimation , the Nagykanizsa oilfields southwest of Lake Balaton were the most strategically valuable reserves on the Eastern Front .
ADP DET PROPN NOUN VERB , ADP PROPN PART NOUN , DET PROPN VERB NOUN ADP PROPN PROPN AUX DET ADV ADV ADJ NOUN ADP DET PROPN PROPN .