Detailed Instructions: Answer the question from the given passage. Your answer should be directly extracted from the passage, and it should be a single entity, name, or number, not a sentence.
Q: Passage: A further type of committee is normally set up to scrutinise private bills submitted to the Scottish Parliament by an outside party or promoter who is not a member of the Scottish Parliament or Scottish Government. Private bills normally relate to large-scale development projects such as infrastructure projects that require the use of land or property. Private Bill Committees have been set up to consider legislation on issues such as the development of the Edinburgh Tram Network, the Glasgow Airport Rail Link, the Airdrie-Bathgate Rail Link and extensions to the National Gallery of Scotland. Question: What topic do private bills typically have?
A:
large-scale development projects