Input: Read this: The Bohr magneton and the nuclear magneton are units which are used to describe the magnetic properties of the electron and atomic nuclei respectively. The Bohr magneton is the magnetic moment which would be expected for an electron if it behaved as a spinning charge according to classical electrodynamics. It is defined in terms of the reduced Planck constant, the elementary charge and the electron mass, all of which depend on the Planck constant: the final dependence on h1/2 (r2 > 0.995) can be found by expanding the variables.
Question: What is the unit of magnetic properties of the neutron?

Output: unanswerable

Input: Read this: The most famous passage in Burke's Reflections was his description of the events of 56 October 1789 and the part of Marie-Antoinette in them. Burke's account differs little from modern historians who have used primary sources. His use of flowery language to describe it, however, provoked both praise and criticism. Philip Francis wrote to Burke saying that what he wrote of Marie-Antoinette was "pure foppery". Edward Gibbon, however, reacted differently: "I adore his chivalry". Burke was informed by an Englishman who had talked with the Duchesse de Biron, that when Marie-Antoinette was reading the passage, she burst into tears and took considerable time to finish reading it. Price had rejoiced that the French king had been "led in triumph" during the October Days, but to Burke this symbolised the opposing revolutionary sentiment of the Jacobins and the natural sentiments of those who shared his own view with horrorthat the ungallant assault on Marie-Antoinettewas a cowardly attack on a defenceless woman.
Question: When did Marie-Antoinette read Burke's writings?

Output: unanswerable

Input: Read this: Neptune has a number of known trojan objects occupying both the SunNeptune L4 and L5 Lagrangian pointsgravitationally stable regions leading and trailing Neptune in its orbit, respectively. Neptune trojans can be viewed as being in a 1:1 resonance with Neptune. Some Neptune trojans are remarkably stable in their orbits, and are likely to have formed alongside Neptune rather than being captured. The first and so far only object identified as associated with Neptune's trailing L5 Lagrangian point is 2008 LC18. Neptune also has a temporary quasi-satellite, (309239) 2007 RW10. The object has been a quasi-satellite of Neptune for about 12,500 years and it will remain in that dynamical state for another 12,500 years.
Question: How long has Neptune's real satellite been with Neptune?

Output: unanswerable

Input: Read this: In London Chopin took lodgings at Dover Street, where the firm of Broadwood provided him with a grand piano. At his first engagement, on 15 May at Stafford House, the audience included Queen Victoria and Prince Albert. The Prince, who was himself a talented musician, moved close to the keyboard to view Chopin's technique. Broadwood also arranged concerts for him; among those attending were Thackeray and the singer Jenny Lind. Chopin was also sought after for piano lessons, for which he charged the high fee of one guinea (1.05 in present British currency) per hour, and for private recitals for which the fee was 20 guineas. At a concert on 7 July he shared the platform with Viardot, who sang arrangements of some of his mazurkas to Spanish texts.
Question: In addition to hearing him play, what else did people seek from Chopin in London?

Output:
piano lessons