However , it should be remembered that `` hard '' is relative only if it is compared to other currencies , as in its 53-year history , the purchasing power of the German mark was reduced by over 70 % .
ADV , PRON AUX AUX VERB SCONJ `` ADJ '' AUX ADJ ADV SCONJ PRON AUX VERB ADP ADJ NOUN , ADP ADP PRON NUM NOUN , DET VERB NOUN ADP DET ADJ NOUN AUX VERB ADP ADP NUM NOUN .