In this task, you will be presented with a context passage, a question about that paragraph, and a possible answer to that question. The task is to check the validity of the answer. Answer with "Yes" or "No".

[EX Q]: Gravity is a force, but not like other forces you may know. Gravity is a bit special. You know that a force is a push or pull. If you push a ball, it starts to roll. If you lift a book, it moves upward. Now, imagine you drop a ball. It falls to the ground. Can you see the force pulling it down? That is what makes gravity really cool. It is invisible. Invisible means you cannot see it. But wait, it has even more surprises. Gravity holds planets in place around the Sun. Gravity keeps the Moon from flying off into space. Gravity exerts a force on objects that are not even touching. In fact, gravity can act over very large distances. However, the force does get weaker the farther apart the objects are. <sep>How does gravity work on far away objects?<sep>Gets weaker the farther apart objects are
[EX A]: Yes

[EX Q]: And William Martinez, 28, who cut his medical school studies short because he couldn't afford the $39,000 in loans after two years of graduate school and four years of college. Martinez works two jobs as a physician's assistant and supports his elderly parents and 8-year-old son. Uncommon Good has a 22-member board of doctors, lawyers and representatives of Christian groups and is recruiting mentors. One goal is to get the state Legislature to pass a law to provide loan forgiveness to medical professionals and lawyers who work with the poor. Mintie said she hopes her organization can be a national model for other professions. She is trying to bring legal aid services to the Inland Valley -- the closest legal aid office is in El Monte and represents 700,000 poor people throughout the San Fernando, San Gabriel and Inland valleys. "Unless the legal aid is in the community, you can't say you are serving the poor," Mintie said. Neal Dudovitz is the executive director of Neighborhood Legal Services of Los Angeles County, the legal aid office in El Monte. He sees attorneys new to poverty law leave all the time because they can't afford the salary with their law school debt. "She's really opened a lot of eyes in terms of having people understand how the educational debt is limiting and reducing the services that are available to low-income communities," Dudovitz said. "Nancy is light years ahead of the curve on this stuff. Very little is being done practically to solve it." Mintie, her colleagues say, could have made a lot of money in private practice. "She's very kind and pleasant," said Julius Thompson, 45, an attorney at Inner City Law Center and an Uncommon Good recipient. "But she's also a woman on a mission. When she sets her sights on something, she's a formidable force." <sep>What is the reason Neal Dudovitz sees so many new poverty law attorneys leave?<sep>They can't afford the salary due to law school debt
[EX A]: Yes

[EX Q]: Earths magnetic field helps protect Earth and its organisms. It protects us from harmful particles given off by the sun. Most of the particles are attracted to the north and south magnetic poles. This is where Earths magnetic field is strongest. This is also where relatively few organisms live. Another benefit of Earths magnetic field is its use for navigation. People use compasses to detect Earths magnetic north pole. Knowing this helps them tell direction. Many animals have natural 'compasses' that work just as well. Birds like the garden warbler in Figure 1.36 use Earths magnetic field. They use it to guide their annual migrations. Recent research suggests that warblers and other migrating birds have structures in their eyes. These structures let them see Earths magnetic field as a visual pattern. <sep>Where is Earths magnetic field strongest?<sep>North and South magnetic Poles
[EX A]:
Yes