Problem: How to test fluorescent bulbs<br>Look for dark areas at the base of the bulb. When bulbs age and have been used for a long time, brown spots will appear. If darkness begins to form at the ends of the tube, the bulb may be near its end.

Based on the paragraph above can we conclude that "Dark areas at the base of the bulb means that the light has a long age of time left to use it."? OPTIONS:
- Yes
- It's impossible to say
- No

A: No

Problem: The missionary position or man-on-top position is generally a sex position in which a woman lies on her back and a man lies on top of her while they face each other and engage in sexual intercourse or other sexual activity. Though commonly associated with heterosexual sexual activity, the sex position is also used by gay and lesbian couples.

Based on the paragraph above can we conclude that "Heterosexual couples prefer to use the missionary position."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: Hans-Arnold Stahlschmidt (15 September 1920 missing in action 7 September 1942) was a German fighter pilot during World War II. A flying ace, he was credited with 59 victories against the Western Allies in North Africa. Stahlschmidt was a close friend of the prominent ace Hans-Joachim Marseille.

Based on the paragraph above can we conclude that "In Germany, Hans-Arnold was born a day before Sept 16"? OPTIONS:
- Yes
- It's impossible to say
- No

A:
Yes