instruction:
In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
question:
Context: was a substantial structure built in Old Red Sandstone, covering a site of 8 or 9 acres (32,000 to 36,000 m²). Link Information: Bridgwater Castle was a castle in the town of Bridgwater, Somerset, England.

The stone castle was built around 1220 and contributed to the development of the town. It was surrounded by a moat and included a watergate giving access to the quay. In the 13th and 14th centuries the castle was involved in the Second Barons' War and Despenser War.

It then fell into ruin and parts were demolished in the first half of the 17th century and a new house built. Some of the walls survived and it played a minor role in the English Civil War and Monmouth Rebellion. In the later 17th and early 18th centuries many of the remaining buildings were demolished and new residential and industrial buildings constructed, giving its name to Castle Street. The watergate and some sections of wall survive. Question: What happened to the building that spanned 8 or 9 acres?
answer:
Answer: 

It then fell into ruin and parts were demolished in the first half of the 17th century and a new house built. Some of the walls survived and it played a minor role in the English Civil War and Monmouth Rebellion. In the later 17th and early 18th centuries many of the remaining buildings were demolished and new residential and industrial buildings constructed, giving its name to Castle Street. 


question:
Context: Examples of illustrated hand scrolls include novels such as Genji Monogatari Emaki, historical writings like The Tale of Great Minister Ban Link Information: both the identity of the illustrator and the organisation of its production remain unknown. Question: Who was the author of the Genji Monogatari Emaki?
answer:
Answer: unknown


question:
Context: In addition, the Pleistocene megafauna became extinct due to environmental and evolutionary pressures Link Information: none Question: What was the main evolutionary pressure?
answer:

Answer: none