Final answer:
Sibyl is Richard's sister and Guy's wife.
Step-by-step explanation:
The correct answer is Option B) Sister of Richard, wife of Guy. This means that Sibyl is Richard's sister and Guy's wife.
Sibyl's relationship to Guy and Richard can be determined by analyzing the options given:
- Option A) Sister of Guy, wife of Richard: This option suggests that Sibyl is Guy's sister and Richard's wife, which is not correct.
- Option B) Sister of Richard, wife of Guy: This is the correct answer. Sibyl is Richard's sister and Guy's wife.
- Option C) Cousin of Guy, cousin of Richard: This option suggests that Sibyl is both Guy and Richard's cousin, which is not correct.
- Option D) Mother of Guy, mother of Richard: This option suggests that Sibyl is the mother of both Guy and Richard, which is not correct.
Therefore, the correct relationship is that Sibyl is Richard's sister and Guy's wife.