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 Input:
A stranger in town meets pretty young Susan Martinez De La Cruz and accompanies her to a barbecue , where wealthy Jason Carberry is saying a few words for the recently departed Robin Randall , a citizen who got shot .  Jason objects to the stranger's presence , being Susan's guardian and protective of her .  He challenges him to a shootout , but the stranger pulls his pistol before Jason's can even clear the holster .  Calaveras Kate , a saloon singer who's in love with Jason , is relieved when the stranger declines to pull the trigger .  Rafael Moreno suddenly rides into town and picks a fight with the stranger .  Their brawl continues until the arrival of Judge Wallace Wintrop and his niece , Sheila , who have come to town from back East and deplore all this random violence out West .  The stranger is recognized as Reb Randall , the dead man's brother .  He is looking for the killer , who could be Rafael , or could be Jason , or could even be Billy Buckett , the coward of the county .  The women hold their breath to see if the men they love will survive . <sep>Who was Robin Randall's brother?<sep>Rafael Moreno

Ex Output:
No


Ex Input:
Speed is an important aspect of motion. It is a measure of how fast or slow something moves. To determine speed you must know two things. First, you must know how far something travels. Second, you need to know how long it takes to travel that far. Speed can be calculated using this formula: speed = distance time A familiar example is the speed of a car. In the U.S., this is usually expressed in miles per hour. Think about a trip you and your family made in the car. Maybe the trip covered 120 miles and it took 3 hours. What was the cars speed? speed = 120 mi = 40 mi/h 3h The speed of a car may also be expressed in kilometers per hour (km/h). The SI unit for speed is meters per second (m/s). This is the unit of measure a scientist would use. <sep>How is speed calculated?<sep>Speed = time motion

Ex Output:
No


Ex Input:
The digestive system is the body system that digests food. It digest food in two ways, mechanically and chemically. Both help in the process of turning food into nutrients. The digestive system also eliminates solid food waste. The major organs of the digestive system include the mouth, esophagus, stomach, and small and large in- testines. These organs all work together to help you gain energy from the food you eat. Digestion starts in the mouth. When food is swallowed, it travels through the esophagus to the stomach. In the stomach, digestion continues and a small amount of absorption of nutrients takes place. Most chemical digestion and nearly all absorption of nutrients take place in the small intestine. This organ consists of three parts: duodenum, jejunum, and ileum. The large intestine is the last stop in the digestive system. This is where water is absorbed. The food not digested is released as waste. <sep>Why is the digestive system important?<sep>Organs all work together to help you gain energy from the food you eat

Ex Output:

Yes


