Problem: Ringley Old Bridge is an ancient stone bridge in Kearsley near Bolton, England which crosses the River Irwell, linking Ringley with Stoneclough. It has two large semi-circular arches, and a third smaller arch, for the tow path. It is a Grade II* structure, listed on 19 August 1986.

Based on the paragraph above can we conclude that "Ringley Old Bridge was constructed prior to 1986."? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes

Problem: The release of its report led to calls for a complete ivory trade ban, and at the seventh conference in 1989, the African Elephant was moved to appendix one of the treaty.

Based on the paragraph above can we conclude that "There was an eighth conference in 1993."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: How to legally download software online<br>Visit an open source repository. Open source programs are community-driven projects where the code of the program is available to anyone. This means that typically, open source software is completely free to use and copy.

Based on the paragraph above can we conclude that "open source software first appeared in the year 2005"? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say