1172
The 1991 eruption of Mount Pinatubo caused lahars : the first eruption itself killed six people , but the lahar killed more than 1500 .
 location: Mount Pinatubo
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Mount Pinatubo