Sentence:  Most marchers were children, Girl and Boy Scouts, Cub Scouts and <WSD>Brownies</WSD>. One Cub Scout pulled his sister in a Radio Flyer decorated with small American flags. A <WSD>Brownie</WSD> pushed a baby carriage crammed with a zoo of stuffed animals. 
Meaning of the word marked with <WSD> tags:  A junior Girl Scout.