71639
BiH ] ] and PoH at 850 " °C through a quartz wool filter unit held with tantalum , showing that these hydrides were surprisingly thermally stable , although their heavier congeners McH and LvH would be expected to be less thermally stable from simple extrapolation of periodic trends in the p-block .
 location: PoH
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: PoH 
Answer:
 location: PoH