question: What are roche moutonnee ?
answer: elongated , rounded , and asymmetrical bedrock knobs that can be produced by glacier erosion
turker_answer: Roche Moutonnee are elongated , rounded , and asymmetrical bedrock knobs that can be produced by glacier erosion .
rule-based: Roche moutonnee are elongated , rounded , and asymmetrical bedrock knobs that can be produced by glacier erosion .