The task is about reading the given story and question, then finding an answer to the given question. Based on the passage provided and the given question, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

story: Did you know that Albert Einstein could not speak until he was four years old, and did not read until he was seven? His parents and teachers worried about his rnenta1ability.

Beethoven's music teacher said about him,"As a composer he is hopeless." What if this young boy believed it?

When Thomas Edison was a young boy,his teachers said he was so stupid that he could never learn anything.He once said,''I remember I used to never be able to get along at schoo1.I was always at the foot of my class...My father thought I was stupid,and I almost decided that l was a stupid person."What if young Thomas believed what may said about him?

When the sculptor Auguste Rodin was young; he had difficulty learning to read and write.:. Today, we may say he had a learning disability. His father said of him, "I have an idiot for a son. "His uncle agreed. "He's uneducable," he said. What if Rodin had doubted his ability?

Walt Disney was once fired by a newspaper editor because he was thought to have no "good ideas". Enrico Caruso was told by one music teacher, "you can't sing. You have no voice at all. " And an editor told Louisa May Alcott that she was unable to write anything that would have popular appeal.

What if these people had listened and become discouraged? Where would our world be without the music of Beethoven, the art of Rodin or the ideas of Albert Einstein and Walt Disney? As Oscar Levant once said, "It's not what you are but what you don't become that hurts. "

You have great potential.When you believe in all you can be, rather than all you cannot become, you will find your place on earth., question: What did he have difficulty with as a youngster?
learning to read

story: An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to a high temperature, by passing an electric current through it, until it glows with visible light (incandescence). The hot filament is protected from oxidation with a glass or quartz bulb that is filled with inert gas or evacuated. In a halogen lamp, filament evaporation is prevented by a chemical process that redeposits metal vapor onto the filament, extending its life. The light bulb is supplied with electric current by feed-through terminals or wires embedded in the glass. Most bulbs are used in a socket which provides mechanical support and electrical connections.

Incandescent bulbs are much less efficient than most other types of electric lighting; incandescent bulbs convert less than 5% of the energy they use into visible light, with standard light bulbs averaging about 2.2%. The remaining energy is converted into heat. The luminous efficacy of a typical incandescent bulb is 16 lumens per watt, compared with 60 lm/W for a compact fluorescent bulb or 150 lm/W for some white LED lamps. Some applications of the incandescent bulb deliberately use the heat generated by the filament. Such applications include incubators, brooding boxes for poultry, heat lights for reptile tanks, infrared heating for industrial heating and drying processes, lava lamps, and the Easy-Bake Oven toy. Incandescent bulbs typically have short lifetimes compared with other types of lighting; around 1,000 hours for home light bulbs versus typically 10,000 hours for compact fluorescents and 30,000 hours for lighting LEDs., question: How about in a halogen bulb?
a chemical process

story: Ultratop is an organization which generates and publishes the official record charts in Belgium, and it is also the name of most of those charts. Ultratop is a non-profit organization, created on the initiative of the Belgian Entertainment Association (BEA), the Belgian member organization of the International Federation of the Phonographic Industry. Two parallel set of charts are concurrently produced and published, one on behalf of Belgium's Dutch-speaking Flanders region, and the other catering to the nation's French-speaking region of Wallonia.

The music charts produced by Ultratop organization are separated along regional-language boundaries, an unusual division that is justified by the cultural differences in Belgium. So it is that the Dutch-speaking Flanders region has one set of charts of record activity there, while the French-speaking Wallonia region has another set to measure popularity in those provinces.

The charts are broadcast on several Belgian radio stations, and on TV stations TMF in Flanders and Plug RTL in Wallonia.

Ultratop creates charts based on record sales of around 500 retail outlets and legal digital downloads. Currently GfK is the market observer of the charts. The chart broadcasts on Radio Contact on Saturdays from 12:00 to 14:00. The combined number of Ultratop chart listeners on the various radio or TV stations exceeds two million every week. To celebrate the 10th anniversary of the charts in 2005, a jubilee book was published. It covers all 15,282 singles from 5,882 artists thus far., question: What did they celebrate in 2005?
the 10th anniversary of the charts