2224
She was one of the few senators who were against the opening of the brown envelope during the impeachment trial of then-President Joseph Estrada , who was her foe in the 1998 presidential elections .
 person: Joseph Estrada
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:
 person: Joseph Estrada