Two friends, Mary and Dean, are hiking in Colorado. A dog, being walked by its owner Wally, who is from Wyoming, bites Dean, causing injury. Mary wants Dean to sue Wally, but Dean does not want to incur the cost. Which of the following is true?

Mary does not have standing to sue Wally, the owner of the dog

Whether Mary has standing depends on whether Mary files the suit in state or federal court

Mary will have standing only if she files the lawsuit in Wyoming

None of the choices

Mary has standing if Dean consents to Mary filing the suit