You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
One example is below.
Q: Optical mice use an LED and a camera to rapidly
capture images of the surface beneath the mouse.
The infomation from the camera is analyzed by a
DSP (Digital Signal Processor) and used to detect
imperfections in the underlying surface and
determine motion. Some materials, such as glass,
mirrors or other very shiny, uniform surfaces
interfere with the ability of the DSP to
accurately analyze the surface beneath the mouse.

Since glass is transparent and very uniform, the
mouse is unable to pick up enough imperfections in
the underlying surface to determine motion.
Mirrored surfaces are also a problem, since they
constantly reflect back the same image, causing
the DSP not to recognize motion properly. When the
system is unable to see surface changes associated
with movement, the mouse will not work properly.
A: why doesn't an optical mouse work on a glass
table?
Rationale: The passage talks about the glass and mirror surfaces beneath the optical mice and how the mouse is unable to pick up enough imperfections in the underlying surface to determine motion. The last line of the passage explains why the mouse will not work properly on these surfaces. Thus it is a positive example.
Q: The above is an incorrect answer. Seasons do not occur because of the distance of the earth to the sun. In fact, during winter, the earth is physically closer to the sun and during the summer, it is furthest.

Tilt is key. Its important that not only is there a tilt on the earth, but the direction of that tilt is not altered during the rotation of the earth around the sun.

The Northern hemisphere is always tilting away during the winter, and towards the sun during the summer. The tilt of the earth is 23 degrees. So lets say you're at 45 degrees lattitude. During the summer, the sun will rise to 45+23 (68) degrees because the tilt is towards it, and in winter, the sun only goes to 45-23 (22) degrees. There is a big difference between the sun going up 22 degrees and the sun going to 68 degrees.

When the sun goes to 68 degrees, it is more overhead, and the earth therefore receives more of its rays. During winter, light rays are striking obliquely, and hence do not warm the earth as much.

This is why there are less variations of seasons around the equator, where the sun is almost always directly overhead all the time.

And this is why seasons are reversed on the southern hemisphere. When the northern hemisphere tilts towards the sun, the south is tilting away.
A:
how season ocurr?/what factors affecting them?