Problem: Anna Katharina Wienhard (born 1977) is a German mathematician whose research concerns differential geometry, and especially the use of higher Teichmüller spaces to study the deformation theory of symmetric geometric structures. She is a professor at Heidelberg University.

Based on the paragraph above can we conclude that "anna teaches multiple classes"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say


Q: If you begin to notice itching, stinging or pain on any parts of your arms with or without a specific cause, it may be hives and you could develop welts.


How to recognize hives (rash )<br>Detect itchy or stinging skin spots. Hives may begin as an itchy or stinging area on your skin. If you begin to notice itching, stinging or pain on any parts of your skin with or without a specific cause, it may be hives and you could develop welts.
OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say


The Galaxy Nexus (GT-I9250) is a touchscreen Android smartphone co-developed by Google and Samsung Electronics. It is the third smartphone in the Google Nexus series, a family of Android consumer devices built by an original equipment manufacturer partner. The phone is the successor to Google's previous flagship phones, the Nexus One and Nexus S.
The Galaxy Nexus is the latest phone in the Google nexus series. OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say


input hypothesis: Indian Idol 2 waw a popular singing reality show that Antara Mitra performed in.
Context: Antara Mitra (born 10 July 1987) is an Indian singer. Mitra came to limelight when she became a contestant in the popular singing reality show "Indian Idol 2" in 2006.Mitra become more well-known and got recognition after the release of her duets Gerua and Janam Janam with Arijit Singh. She also received significant amount of Indian media coverage for her singing of the Dilwale songs.
OPTIONS:
- Yes
- It's impossible to say
- No
true or false: Yes


Context:
How to get siri to say your name<br>Set your personal contact information. Siri will call you whatever you have listed as your name in your personal contact. You may not have this information set, but you can add it using the settings app.
Hypothesis: You can't set your contact information. OPTIONS:
- Yes
- It's impossible to say
- No
No


Problem: Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.

Based on the paragraph above can we conclude that "Leaky oil drums can be another potential environmental danger."? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say