Simplify the following text for a Grade 5 native English-speaking person.
Original: They are astonished when BrÃ 1\/4 nnhilde arrives with Sieglinde , a living woman .
Simplified: The other Valkyries are wondering where BrÃ 1\/4 nnhilde is . They see her coming on her horse , but instead of a hero she is carrying a woman ( it is Sieglinde ) .