Dr. Jesus Hernandez and Oscar Hull are married outside of Mecklenburg County Register of Deeds office in Charlotte, North Carolina, October 2014. REUTERS/Davis Turner

The logo of Thomson Reuters is pictured at the entrance of its Paris headquarters, France, March 7, 2016. REUTERS/Charles Platiau

European Central Bank (ECB) President Mario Draghi attends a news conference at the ECB headquarters in Frankfurt, Germany September 8, 2016. REUTERS/Ralph Orlowski

Venezuela's President Nicolas Maduro speaks during his weekly broadcast "En contacto con Maduro" (In contact with Maduro) in Caracas, Venezuela September 20, 2016. Miraflores Palace/Handout via REUTERS

Oil pump jacks are seen next to a strawberry field in Oxnard, California February 24, 2015. REUTERS/Lucy Nicholson

Flames shoot out of a chimney at a petrochemical plant in Kawasaki near Tokyo August 31, 2015. REUTERS/Thomas Peter

Venezuela's President Nicolas Maduro speaks during his weekly broadcast "En contacto con Maduro" (In contact with Maduro) in Caracas, Venezuela September 20, 2016. Miraflores Palace/Handout via REUTERS

Homes are seen for sale in the southwest area of Portland, Oregon March 20, 2014. REUTERS/Steve Dipaola