Definition: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Input: Context: Thailand (or  ), officially the Kingdom of Thailand, formerly known as Siam, is a country at the centre of the Indochinese peninsula in Southeast Asia. With a total area of approximately , Thailand is the world's 51st-largest country. It is the 20th-most-populous country in the world, with around 66 million people. The capital and largest city is Bangkok., Kyle Ashley Nix (born 21 January 1986) is an Australian-born English footballer who currently plays for PTT Rayong, where he plays as a midfielder., Sheffield City Centre, commonly just known as "town" by the city's residents, is a district of the City of Sheffield, and part of the Sheffield Central ward. It includes the area that is within a radius of roughly of Sheffield Cathedral, and is encircled by the Inner Ring Roada circular route started in the late 1960s and completed in 2007. As well as the cathedral, notable buildings in the city centre include the Grade I listed Town Hall, the City Hall, and the Winter Gardens. Several areas of the city centre have been designated as "quarters". It is home to the city's major business, transport, leisure and cultural attractions. The City centre is currently undergoing massive re-generation with every section of the City centre set to be re-developed. Plans and projects include the development of new squares and public spaces, new residential and office buildings including St. Pauls Tower, Velocity Living, and the under-construction Velocity Tower, the Sevenstone and Moor shopping areas, redevelopment of existing buildings such as the Crucible Theatre and better transport and shopping facilities and new cultural attractions such as museums and art galleries., Peter Nix ( born 25 January 1958 in Rotherham ) is an English former footballer who played for Rotherham United and Penrith City . Peter 's son , Kyle Nix , is also a footballer and currently plays in the Thai Premier League for Chiangrai United F.C. ., A midfielder is an association football position. Midfielders are generally positioned on the field between their team's defenders and forwards. Some midfielders play a disciplined defensive role, breaking up attacks, and are otherwise known as defensive midfielders. Others blur the boundaries, being more mobile and efficient in passing: they are commonly referred to as deep-lying midfielders, play-makers, box-to-box, or holding midfielders. The number of midfielders on a team and their assigned roles depends on the team's formation; the collective group of these players on the field is sometimes referred to as the midfield., Chiangrai United Football Club (Thai   ) is a Thai professional football club based in Chiang Rai Province, a city located in the very northern part of Thailand. The club currently plays in Thai League., Rotherham is a large town in South Yorkshire, England, which together with its conurbation and outlying settlements to the north, south and south-east forms the Metropolitan Borough of Rotherham, with a recorded population of 257,280 in the 2011 census. Historically in the West Riding of Yorkshire, its central area is on the banks of the River Don below its confluence with the Rother on the traditional road between Sheffield and Doncaster. Rotherham is today the largest town in a contiguous area with Sheffield, informally known as the Sheffield Urban Area and is as such an economic centre for many of Sheffield's suburbs  Sheffield City Centre is from Rotherham town centre., Subject: peter nix, Relation: position_played_on_team_/_speciality, Options: (A) centre (B) midfielder
Output:
midfielder