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. Valea Calului River (Pogăniș) -  The Valea Calului River is a tributary of the Pogăniş River in Romania.
Answer: Natural Place

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. Collins-class submarine -  The Collins class is a class of six Australian-built diesel-electric submarines operated by the Royal Australian Navy (RAN). The Collins class takes its name from Australian Vice Admiral John Augustine Collins; all six submarines are named after significant RAN personnel who distinguished themselves in action during World War II.
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. Money Can't Buy -  Money Can't Buy was a one-off invitation only concert in support of Kylie Minogue's 2003 album Body Language held at the Hammersmith Apollo in London England. This event cost £1 million to stage and tickets were not available for sale. The concert was later released on DVD under the name Body Language Live.
Answer: