question: Why is Morgaine angry at Viviane ?
answer: She believes Viviane tricked her into bearing a child to her own half-brother .
turker_answer: Morgain is angry at Viviane because she believes Viviane tricked her into bearing a child to her own half-brother .
rule-based: Morgaine is angry at Viviane because she believes Viviane tricked her into bearing a child to her own half-brother .