question: Why is there a debate as to dubbing the diamondback terrapin the oldest indigenous land vertebrate ?
answer: this species spends most of its time in brackish ponds
turker_answer: There is a debate as to dubbing the diamondback terrapin the oldest indigenous land vertebrate because this species spends most of its time in brackish ponds .
rule-based: Is there a debate as to dubbing the diamondback terrapin the oldest indigenous land vertebrate because this species spends most of its time in brackish ponds .