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].

Ex Input:
At a time when so many young Americans are ineligible to even be considered for the military  extending protections for "Dreamers" also would have a positive impact on the armed forces  former Defense Secretary Robert Gates wrote in a column for The New York Times.
"That is why we need legislation that will provide a pathway to citizenship for those immigrants who  among other attributes  are serving or have served in the military  whether they are in America legally or were brought here illegally as children "  Gates  wrote for the NYT.
"That kind of policy will help the military recruit new service members and improve readiness "  Gates  wrote.
"In light of the service and sacrifice of those immigrants — legal or not — it is also the right thing to do "  Gates  wrote.

Ex Output:
Robert Gates


Ex 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.

Ex Output:
Lena Dunham


Ex Input:
Jenelle Evans of "Teen Mom" admitted to using drugs while pregnant with her daughter Ensley â but claims the baby did not test positive for anything.
"I'm not going to lie about that " she said. "I tested positive for THC and  Ensley  did not test positive. I did. So CPS (Child Protective Services) were like â I was in the hospital â they said  'Did you smoke when you were pregnant?' I said  'I did within the past 30 days.'"
"And after I had  Ensley  they said CPS will just come by to do a (wellness) check since you tested positive " Evans continued. "They came and did a (wellness) checkup and everything is fine. They closed the case."
The mom  who gained popularity for being just that on the MTV reality series  has three children: Jace  8  Kaiser  3  and Ensley  1.

Ex Output:

Ensley