question: When did the most dramatic human-caused avian extinctions occur ?
answer: during the human colonisation of Melanesian , Polynesian , and Micronesian islands
turker_answer: The most dramatic human-caused avian extinctions occurred during the human colonisation of Melanesian , Polynesian , and Micronesian islands .
rule-based: The most dramatic human-caused avian extinctions occurred during the human colonisation of Melanesian , Polynesian , and Micronesian islands .