In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.

Q: Context: Sander Thonhauser is a Dutch professional mixed martial artist. He competes in the Heavyweight division. He is a RINGS Holland veteran and has also fought for many other top promotions.His Mixed martial arts debut was on June 29 1997. Sander has not fought since 2005 where he lost to Murad Chunkaiev by submission on April 3 2005.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)Athlete, 3)EducationalInstitution, 4)Plant, 5)MeanOfTransportation

A: 2
****
Q: Context: Stenocereus alamosensis (octopus cactus or cina) is a species of cactus native to Mexico. It is viviparous (that is the seeds germinate before leaving the parent plant) apparently an adaptation to living in coastal plains which are prone to flooding. The Seri people of Sonora call this cactus xasaacoj.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)Plant, 3)Artist, 4)EducationalInstitution

A: 2
****
Q: Context: Cayratia trifolia is a species of liana plant native to Australia and Asia. It has black-colored berries and its leaves contain several flavonoids such as cyanidin and delphinidin. Hydrocyanic acid is present in the stem leaves and roots.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)MeanOfTransportation, 3)EducationalInstitution, 4)WrittenWork, 5)Plant

A:
5
****