In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.

Article: Dad was always full of advice, but one of the biggest lessons he taught me one summer was about having a strong work ethic . When my brother and I were growing up, we mowed yards during the summer to earn pocket change. Dad was our salesman. He told our neighbors about our service and offered a price they could not refuse. My brother and I got $ 10 per yard. I later found out that our friends were charging $ 20 or more for the same amount of work. Every time we headed out to mow lawns , Dad was there to watch. I used to wonder why he came with us. He stood supervising our work in the heat when he could have been inside relaxing with air conditioning and an icy drink. One day we were cutting our next-door neighbor's yard, he always waited until the grass was knee-high to call us over. To make matters worse, we had an old lawn mower. This particular afternoon, I was finishing up and was tired and sweaty. I was just about to cut off the lawn mower when I saw Dad pointing to one piece of grass. He yelled, "You missed a piece." I frowned, hoping he would let it slide and let me go home. He kept pointing. So, tired and disappointed, I went back to cut that piece of grass. I said to myself, "That one piece isn't hurting anyone. Why won't he just let it go?" But when I reached adulthood, I understood his message ---When you're running a business, the work you do says a great deal about you. If you want to be seen as an entrepreneur with honesty, you must deliver a quality product. That single blade of grass meant the job was not done. Other neighbors took notice of the good work we did and we soon got more business. We started out with one client, but by the end of the summer we had five.
Answer: They mowed it carefully.
Why did more and more people ask the brothers to mow their yards?

Article: Japanese workers who run secretly out of the office and spend their afternoons hanging around coffee shops may soon be caught out by their bosses. A new cellphonebased tracking device from Hitachi can show, on an employer's computer screen, not only the whereabouts of their workers but also whether they are standing, walking, running--or have fallen over. The system, called Partout, was originally developed as a monitoring device for the families of people with dementia, who may wander off and need to be located. "It's estimated that the number of elderly people with symptoms of dementia will reach 1.5 million in Japan next year," says Hitachi's Keisaku Shibatani. But the high cost of the system--early prices are around PS27,000--has put it out of reach of most families. Indeed, companies with large sales forces and police departments who want to track officers on dangerous patrol duties are interested in the system. Partout uses a multifunction location sensing unit that tracks users through global positioning satellites. The user's body motion is determined by an accelerometer inside the sensing unit: no movement means the subject has stopped, slow movement means they are walking, fast movement means they are running, and strong and unexpectedly sudden movement means the user may have fallen. The date is relayed through the user's cell phone to computer, which displays their position on a map. Graphics record the motion or position of the subject's body.
Answer: A new model of cell phone.
What is mainly talked about in the text?

Article: Testing new drugs for safety and effectiveness is a costly process in the United States. It also can take:lot of time. Some scientists are now designing silicon computer chips that act like human organs. The scientists think they have found a way to make the process faster and more economical. The silicon computer chips are smaller than a child's hand. Each one has living cells that act and react like a human organ. The chips are being created as part of a program to test the safety of drug compounds. It is called the Tissue Chip for Drug Screening Program. It is a project of the US National Center for Advancing Tmnslational Sciences, or NCATS. Danilo Tagle is the center's Associate Director. He says a three-dimensional computer chip can be designed to act like a human lung. Some computer chips contain very small models of the human digestive system. They copy the real function or duties of the human stomach and intestine , moving when breaking down food. Drugs are added to the tiny organs for testing through instruments known as micro-tubes. Experiments with the tissue chips have produced more detailed information than tests using animal or cell models. NCATS just announced$17 million in grants to develop an entire human organ system over the next three years.
Answer: .To further study the function of human organs.
Why are scientists designing silicon computer chips acting like human organs?