question: Why ca n't Thor lift his hammer after his father banishes him ?
answer: Because it is protected by a spell that allows only the worthy to wield it
turker_answer: Thor ca n't lift his hammer after his father banishes him because it is protected by a spell that allows only the worthy to wield it .
rule-based: N't Thor ca lift his hammer after his father banishes him because it is protected by a spell that allows only the worthy to wield it .