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who rules Portland High School, Portland, Maine is Mayor Percival Baxter Woods. On Tuesday afternoon, dozens of dogs romped through the park, some sprinting down the trails, a few fetching balls in a field and others ambling by their owners sides - almost every one without a leash.
 education institution: Percival Baxter, Portland High School, Portland, Maine
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 education institution: Percival Baxter, Portland High School, Portland, Maine