Çandarlı Kara Halil Hayreddin Pasha also known as Çandarlı Halil Pasha the Elder (to differentiate him from his grandson Çandarlı Halil Pasha the Younger who also served as grand vizier) was the first grand vizier of Murad I's reign. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Office Holder

William Warner Sleator III (February 13 1945 – August 3 2011) known as William Sleator was an American science fiction author who wrote primarily young adult novels but also wrote for younger readers. His books typically deal with adolescents coming across a peculiar phenomenon related to an element of theoretical science then trying to deal with the situation. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Artist

The John and Lavina Bangs House is an historic structure located near New London Iowa United States. John Bangs was a successful farmer and this is the second house he built on his property. A large Italianate style house on a farm while not unheard of was somewhat of a rarity. It is possible that the high-style that was chosen and its location on a major roadway may indicate the owners desire communicate his own or the areas passage from its pioneer origins to a more cultured reality. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Building

Conquest Mining was a mining company based in Australia. In September 2010 it bought a 40% stake in the Pajingo mine in northern Queensland. Conquest is also developing a silver-gold-copper resource at Silver Hill and is involved in a number of other goldmining projects. The executive chairman is Jake Klein.In late 2011 Conquest Mining Ltd merged with Catalpa Resources Ltd to form a mid-tier Australian gold producer Evolution Mining. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Company