Input: Punjab, Pakistan
Punjab is Pakistan's second largest province in terms of land area at 205,344 km2 (79,284 sq mi), after Balochistan, and is located at the north western edge of the geologic Indian plate in South Asia. The province is bordered by Kashmir (Azad Kashmir, Pakistan and Jammu and Kashmir, India) to the northeast, the Indian states of Punjab and Rajasthan to the east, the Pakistani province of Sindh to the south, the province of Balochistan to the southwest, the province of Khyber Pakhtunkhwa to the west, and the Islamabad Capital Territory to the north.

What Pakistani province is south of Punjab?
Output: Sindh

Input: Green
Lasers emitting in the green part of the spectrum are widely available to the general public in a wide range of output powers. Green laser pointers outputting at 532 nm (563.5 THz) are relatively inexpensive compared to other wavelengths of the same power, and are very popular due to their good beam quality and very high apparent brightness. The most common green lasers use diode pumped solid state (DPSS) technology to create the green light. An infrared laser diode at 808 nm is used to pump a crystal of neodymium-doped yttrium vanadium oxide (Nd:YVO4) or neodymium-doped yttrium aluminium garnet (Nd:YAG) and induces it to emit 281.76 THz (1064 nm). This deeper infrared light is then passed through another crystal containing potassium, titanium and phosphorus (KTP), whose non-linear properties generate light at a frequency that is twice that of the incident beam (563.5 THz); in this case corresponding to the wavelength of 532 nm ("green"). Other green wavelengths are also available using DPSS technology ranging from 501 nm to 543 nm. Green wavelengths are also available from gas lasers, including the heliumneon laser (543 nm), the Argon-ion laser (514 nm) and the Krypton-ion laser (521 nm and 531 nm), as well as liquid dye lasers. Green lasers have a wide variety of applications, including pointing, illumination, surgery, laser light shows, spectroscopy, interferometry, fluorescence, holography, machine vision, non-lethal weapons and bird control.

What is the range of green wavelengths available when using DPSS technology?
Output: 501 nm to 543 nm

Input: Dwight D. Eisenhower
Eisenhower, as well as the officers and troops under him, had learned valuable lessons in their previous operations, and their skills had all strengthened in preparation for the next most difficult campaign against the Germansa beach landing assault. His first struggles, however, were with Allied leaders and officers on matters vital to the success of the Normandy invasion; he argued with Roosevelt over an essential agreement with De Gaulle to use French resistance forces in covert and sabotage operations against the Germans in advance of Overlord. Admiral Ernest J. King fought with Eisenhower over King's refusal to provide additional landing craft from the Pacific. He also insisted that the British give him exclusive command over all strategic air forces to facilitate Overlord, to the point of threatening to resign unless Churchill relented, as he did. Eisenhower then designed a bombing plan in France in advance of Overlord and argued with Churchill over the latter's concern with civilian casualties; de Gaulle interjected that the casualties were justified in shedding the yoke of the Germans, and Eisenhower prevailed. He also had to skillfully manage to retain the services of the often unruly George S. Patton, by severely reprimanding him when Patton earlier had slapped a subordinate, and then when Patton gave a speech in which he made improper comments about postwar policy.

What were the French resistance to be used for in advance of the invasion of France?
Output: covert and sabotage operations

Input: Railway electrification system
Railways must operate at variable speeds. Until the mid 1980s this was only practical with the brush-type DC motor, although such DC can be supplied from an AC catenary via on-board electric power conversion. Since such conversion was not well developed in the late 19th century and early 20th century, most early electrified railways used DC and many still do, particularly rapid transit (subways) and trams. Speed was controlled by connecting the traction motors in various series-parallel combinations, by varying the traction motors' fields, and by inserting and removing starting resistances to limit motor current.

What are two types of railway transportation still use DC motor?
Output:
rapid transit (subways) and trams