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]: Density is also an important physical property of matter. The concept of density combines what we know about an objects mass and volume. Density reflects how closely packed the particles of matter are. When particles are packed together more tightly, matter is more dense. Differences in density of matter explain many phenomena. It explains why helium balloons rise. It explains why currents such as the Gulf Stream flow through the oceans. It explains why some things float in or sink. You can see this in action by pouring vegetable oil into water. You can see a colorful demonstration in this video. <sep>What physical property of matter combines what we know about an object's mass and volume?<sep>Gravity
[EX A]: No

[EX Q]: Coleco Industries Inc., a once high-flying toy maker whose stock peaked at $65 a share in the early 1980s, filed a Chapter 11 reorganization plan that provides just 1.125 cents a share for common stockholders. Under the plan, unsecured creditors, who are owed about $430 million, would receive about $92 million, or 21 cents for each dollar they are owed. In addition, they will receive stock in the reorganized company, which will be named Ranger Industries Inc. After these payments, about $225,000 will be available for the 20 million common shares outstanding. The Avon, Conn., company's stock hit a high in 1983 after it unveiled its Adam home computer, but the product was plagued with glitches and the company's fortunes plunged. But Coleco bounced back with the introduction of the Cabbage Patch dolls, whose sales hit $600 million in 1985. But as the craze died, Coleco failed to come up with another winner and filed for bankruptcy-law protection in July 1988. The plan was filed jointly with unsecured creditors in federal bankruptcy court in New York and must be approved by the court. <sep>Which products resulted in stock growth for Coleco in the 1980s?<sep>Action figure toys
[EX A]: No

[EX Q]: The world can be divided into three climate zones. The first climate zone is the polar zone. As it sounds, the polar zone is near earths poles. The polar zone has very long and cold winters. Brrr!!!! Near the equator is the tropical zone. The tropical zone is known for being hot and wet. Between these two zones is the temperate zone. Temperatures there tend to be mild. Its not too hot and not too cold. You might expect places near the equator to be hot and wet. Thats not always the case. Sometimes there are other factors at work. These factors can affect the local climate type or a region. Oceans and mountain ranges can have a major impact. They can greatly influence the climate of an area. Many factors influence an areas climate. <sep>Which of the 3 climate zones have long and cold winters<sep>Temperate
[EX A]:
No