Question: Kathleen Hanna and Jane Relf are both what?

Context paragraphs:
Le Tigre: Le Tigre ( ) is an American electroclash band from the United States, formed by Kathleen Hanna (formerly of Bikini Kill) and Johanna Fateman in 1998 in New York City.  It also featured Sadie Benning from 1998 until 2001 and JD Samson for the rest of the group's run.  Le Tigre is known for its left-wing sociopolitical lyrics, dealing with issues of feminism and the LGBT community.

Jane Relf: Jane Relf (born 7 March 1947) is a British singer and the younger sister of Keith Relf of the Yardbirds.

The Punk Singer: The Punk Singer is a 2013 documentary film about feminist singer Kathleen Hanna who fronted the bands Bikini Kill and Le Tigre, and who was a central figure in the riot grrrl movement.  Directed by filmmaker Sini Anderson and produced by Anderson and Tamra Davis, the film's title is taken from the Julie Ruin song "The Punk Singer", from Hanna's 1998 solo effort.

Seth Bogart: Seth Bogart is the second overall solo studio album written, recorded and performed by Hunx and His Punx vocalist Seth Bogart.  It is the first studio album to be released under his name, as his previous solo record "Hairdresser" was issued under his stage name Hunx.  Bogart had enjoyed making music as his Hunx character, but had wanted for a long time to start recording material that showed more of his true self, "like a weird teenager’s version of an adult album" as he said in an interview.  Therefore, he decide to take more than two years to make the album, unlike during his Hunx period where he would make a record in five days or less.  "Seth Bogart" was produced and co-written by Cole MGN, and also features vocal performances from Chela, Kathleen Hanna, Tavi Gevinson, Jeremiah Nadya and Clementine Creevy.

Kathleen Hanna: Kathleen Hanna (born November 12, 1968) is an American singer, musician, artist, feminist activist, pioneer of the feminist punk riot grrrl movement, and punk zine writer.  In the early-to-mid-1990s she was the lead singer of feminist punk band Bikini Kill, before fronting Le Tigre in the late 1990s and early 2000s.  In 1998, Hanna released a lo-fi solo album under the name Julie Ruin and since 2010, has been working on a project called The Julie Ruin.  A documentary film about Hanna was released in 2013 by director Sini Anderson, titled "The Punk Singer", detailing Hanna's life and career, as well as revealing her years-long battle with Lyme disease.  Hanna is married to Adam Horovitz of the Beastie Boys.

Bikini Kill (EP): Bikini Kill is the first EP by the American punk rock band Bikini Kill led by singer Kathleen Hanna.  The six-song vinyl EP was released in 1992 on Kill Rock Stars.  It was produced by Fugazi's Ian MacKaye.  In 1994, the EP was released on CD together with the "Yeah Yeah Yeah Yeah" EP under the name "The CD Version of the First Two Records".

Radical Act (film): Radical Act is a feature-length documentary by Tex Clark.  Shot in 1995, "Radical Act" documents the contributions of female artists to the 1990s indie rock scene.  Participants include Kathleen Hanna (Bikini Kill, Le Tigre, Julie Ruin), Toshi Reagon, Gretchen Phillips, Melissa York (Team Dresch, Vitapup, The Butchies), Kim Coletta (Jawbox, co-owner of DeSoto Records), Shirlé Hale (Mary Lou Lord, Gerty, Womyn of Destruction), Sharon Topper (God is My Co-Pilot), journalist Evelyn McDonnell ("Mamarama: A Memoir of Sex, Kids and Rock n Roll" and "Rock She Wrote: Women Write About Rock, Pop and Rap"), author Victoria "Vicky" Starr ("KD Lang: All You Get Is Me") and Dr. Kay Turner (now Folk Arts Director of Brooklyn Arts Council).

Viva Knievel (band): Viva Knievel was a punk rock and riot grrrl band in Olympia, Washington in the early 1990s.  Viva Knievel was Kathleen Hanna's second band, and included Zeb Olsen and Billy Karren.  Her first band was called "Amy Carter" and put on in her own art display space in between exhibitions.

The Julie Ruin: The Julie Ruin are an American band formed in 2010 in New York City.  The band rehearse in Greenpoint, Brooklyn, and record at Oscilloscope and Figure 8 Recording in Brooklyn.  Band members include Carmine Covelli, Sara Landeau, Kathleen Hanna, Kathi Wilcox, and Kenny Mellman.

Julie Ruin: Julie Ruin is the independent record produced by Kathleen Hanna under the name Julie Ruin in 1997, while taking a break from Bikini Kill.  It touches upon feminism, crocheting, aerobics and resisting police abuse.  It was mostly produced in Kathleen's apartment in Olympia, Washington.  Despite this project mostly being known for the album, Kathleen Hanna started collaborating with her friends Sadie Benning and Johanna Fateman in order to create a live version of Julie Ruin.  This group would go on to become Le Tigre.

Supporting paragraphs: Kathleen Hanna Jane Relf
Answer: singer