Question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Viking 1 -  Viking 1 was the first of two spacecraft (along with Viking 2) sent to Mars as part of NASA's Viking program. It was the first spacecraft to successfully land on Mars and perform its mission and held the record for the longest Mars surface mission of 2307 days or 2245 sols (from landing until surface mission termination Earth time) until that record was broken by the Opportunity Rover on May 19 2010.[citation needed]
Answer: Mean Of Transportation

Question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Other C. Wamsley House -  The Other C. Wamsley House built in 1909 is an historic octagon house located at 200 North 5th Street in Hamilton Montana United States. On August 26 1988 it was added to the National Register of Historic Places.
Answer: Building

Question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Calpocalyx klainei -  The Misise Misizé or Mississé (Calpocalyx klainei) is a species of legume in the Fabaceae family.It is found in Cameroon and Gabon.It is threatened by habitat loss.
Answer:
Plant