5917
a letter penned by george washington praising the new constitution sold for $ 3.2 million at an auction , the highest price for a letter by america 's first president .
 product producer: letter, president
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  letter, president 
Answer:
 product producer: letter, president