Given a document, find the main entity about whom the author is writing. Write the full name if mentioned in the text. Note that URLs in the text have been replaced with [Link].

Example Input: If your mum posted a video of you belting out Madonna's "Holiday" in the car on your birthday  you'd probably want to melt into a puddle of embarrassment.
Unless your mum happens to be Madonna.
Celebrating the birthday of her son  David Banda   Madonna  posted an Instagram video to  her  10.2 million followers on Sunday. The video features David having a delightful singalong worthy of Carpool Karaoke  to his own mum's 1983 hit single  "Holiday."
Go David!! ððð¦.Its your birthday!!! ðððððð We Gonna Party! â½ï¸â¥ï¸â½ï¸â¥ï¸â½ï¸ðâ½ï¸ Like its your birthday!! ððð¦ðð¦ðððððððð!! Its Time to Celebrate! ððð¤¡ pic.twitter.com/W1WcENjb0R â Madonna (@Madonna) September 24  2017
 Madonna  adopted David from Malawi in 2006. Here's another Instagram post from pop's proud  proud mum  posted on Sunday and featuring a mini David:
Happy Birthday to My Beautiful baby Boy!! ðððððððððð David Banda!! ð¦ð¦ð¦ððððð I wish I could stilll carry you Bapu Style! â¥ï¸ð¯â¥ï¸ð¯â¥ï¸ð¯â¥ï¸ð¹ð²ð¼ð²ð¼ð²ð¼â¥ï¸ðð» A post shared by  Madonna  (@madonna) on Sep 24  2017 at 3:10am PDT
Example Output: Madonna

Example Input: Lena Dunham  took permanent measures to help  her  fight  her  years-long battle with endometriosis.
The âGirlsâ alum revealed in a personal essay for Vogue that  she  underwent a hysterectomy â the removal of  her  uterus and cervix â after âyears of complex surgeries measuring in the double digits.â
Dunham  31  has been open about  her  endometriosis  which occurs when the tissue lining of the uterus is found outside the uterus.
In April   she  wrote in  her  Lenny newsletter that  she  was endometriosis-free after several surgeries  but more was discovered after  she  was rushed to the hospital during the Met Gala in May.
 Lena Dunham  wasnât involved in Timeâs Up  says  Tessa Thompson
Lena Dunham  had  her  uterus and cervix removed to help  her  battle with endometriosis. (Rich Fury/Rich Fury/Invision/AP)
During  her  hysterectomy   Dunham  wrote  surgeons discovered more medical problems.
âIn addition to endometrial disease  an odd hump-like protrusion and a septum running down the middle  I have retrograde bleeding  a.k.a. my period running in reverse so that my stomach is full of blood â  she  said in  her  essay  according to the Endometriosis Foundation of America.
Now unable to have children herself   Dunham  who recently split from boyfriend Jack Antonoff after five years   said  she  will explore other options  including adoption and surrogacy.
Example Output: Lena Dunham

Example Input: The company denies it did anything wrong  insisting it was acting legally at the time. The settlement did not require an admission of liability   Attorney General Lori Swanson  said.
"We're pleased with the settlement. We think the settlement will help solve a problem in Minnesota. It's been a problem that has been a long time in the making for many decades "  Swanson  said. "These chemicals  as I mentioned  were put into the ground. And we are very hopeful the settlement can help fix that."
The settlement was announced Tuesday after jury selection was halted as the trial was set to begin.  Swanson  said  she  believes it is the largest environmental case in state history.
 Swanson  said 3M will pay the state in one lump sum within the next 15 days. It will go into a fund dedicated to projects that will clean up and safeguard drinking water in the eastern suburbs of St. Paul. Details on how the money will be used are still being worked out  but it could go to help homeowners with contaminated wells  or help municipalities with sustainable drinking water and treatment plans.
Example Output:
Lori Swanson