Pope Francis holds a Saint Bernard dog during the weekly audience in Saint Peter's Square at the Vatican May 18, 2016. REUTERS/Max Rossi 

Police officer Margaret Byrne pets Nala the St. Bernard dog at the polling station on the island of Inishfree, Ireland February 25, 2016. The remote island, situated off the coast of Donegal has a total of 4 people registered to vote and has gone to the polls one day earlier than the mainland. Ireland will hold a general election on February 26. REUTERS/Clodagh Kilcoyne 

Nala, a St. Bernard dog waits outside the polling station on the island of Inishfree, Ireland February 25, 2016. The remote island, situated off the coast of Donegal has a total of 4 people registered to vote and has gone to the polls one day earlier than the mainland. Ireland will hold a general election on February 26. REUTERS/Clodagh Kilcoyne

Voter Philomena Currid chats to Hans Schleweck outside the voting house that she owns on the island of Inishfree, Ireland February 25, 2016. The remote island, situated off the coast of Donegal has a total of 4 people registered to vote and has gone to the polls one day earlier than the mainland. Ireland will hold a general election on February 26. REUTERS/Clodagh Kilcoyne 

Supporters of Bernard Tomic of Australia hold up signs and masks during his men's singles first round match against Tobias Kamke of Germany at the Australian Open 2015 tennis tournament in Melbourne January 19, 2015. REUTERS/Thomas Peter (AUSTRALIA - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)

Aristocrat, a St. Bernard from Hopewell, New Jersey, kisses his owner Linda Baker as they wait in the benching area prior to judging in the Working Group at the 137th Westminster Kennel Club Dog Show at Madison Square Garden in New York, February 12, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: ANIMALS SOCIETY) 

Saint-Bernard puppies play next to their mother Phybie at the Saint-Bernard kennel in Martigny January 9, 2012. The Saint-Bernard kennel in Martigny is the oldest breeding centre of the traditional pedigree in Switzerland. Four puppies, who were born on December 18, 2011, will be handed over to new owners when they reach three months. REUTERS/Denis Balibouse (SWITZERLAND - Tags: ANIMALS) 

Four Saint-Bernard puppies suckle from their mother Phybie at the Saint-Bernard kennel in Martigny January 9, 2012. The Saint-Bernard kennel in Martigny is the oldest breeding centre of the traditional pedigree in Switzerland. The puppies, who were born on December 18, 2011, will be handed over to new owners when they reach three months. REUTERS/Denis Balibouse (SWITZERLAND - Tags: ANIMALS)