Problem: Please answer a question about the following article about Iran:
In 334 BC, Alexander the Great invaded the Achaemenid Empire, defeating the last Achaemenid emperor, Darius III, at the Battle of Issus. Following the premature death of Alexander, Iran came under the control of the Hellenistic Seleucid Empire. In the middle of the 2nd century BC, the Parthian Empire rose to become the main power in Iran, and the century-long geopolitical arch-rivalry between Romans and Parthians began, culminating in the RomanParthian Wars. The Parthian Empire continued as a feudal monarchy for nearly five centuries, until 224 CE, when it was succeeded by the Sassanid Empire. Together with their neighboring arch-rival, the Roman-Byzantines, they made up the world's two most dominant powers at the time, for over four centuries.
Who was the last Archaemenid Emperor at the time of its defeat by Alexander the Great?
A: Darius III
Problem: Please answer a question about the following article about Chihuahua (state):
The officials in Mexico City reduced the price of corn from six cents to two cents a pound. The northern portion of the state continued to decline economically which led to another revolt led by G. Casavantes in August 1879; Governor Trias was accused of misappropriation of funds and inefficient administration of the state. Casavantes took the state capital and occupied it briefly; he was also successful in forcing Governor Trias to exile. Shortly afterwards, the federal government sent an entourage led by Trevino; Casavantes was immediately ordered to resign his position. Casavantes declared political victory as he was able to publicly accuse and depose Governor Trias. At the same time the states of Durango and Coahuila had a military confrontation over territorial claims and water rights; this altercation between the state required additional federal troops to stabilize the area. Later a dispute ensued again among the states of Coahuila, Durango, and Chihuahua over the mountain range area known as Sierra Mojada, when large deposits of gold ore was discovered. The state of Chihuahua officially submitted a declaration of protest in May 1880 that shortly after was amicably settled. Despite the difficulties at the beginning, Diaz was able to secure and stabilize the state, which earned the confidence and support of the people.
The officials in Mexico reduced the price of what food from six cents to two cents per pound?
A: corn
Problem: Please answer a question about the following article about Mammal:
Mammalian hair, also known as pelage, can vary in color between populations, organisms within a population, and even on the individual organism. Light-dark color variation is common in the mammalian taxa. Sometimes, this color variation is determined by age variation, however, in other cases, it is determined by other factors. Selective pressures, such as ecological interactions with other populations or environmental conditions, often lead to the variation in mammalian coloration. These selective pressures favor certain colors in order to increase survival. Camouflage is thought to be a major selection pressure shaping coloration in mammals, although there is also evidence that sexual selection, communication, and physiological processes may influence the evolution of coloration as well. Camouflage is the most predominant mechanism for color variation, as it aids in the concealment of the organisms from predators or from their prey. Coat color can also be for intraspecies communication such as warning members of their species about predators, indicating health for reproductive purposes, communicating between mother and young, and intimidating predators. Studies have shown that in some cases, differences in female and male coat color could indicate information nutrition and hormone levels, which are important in the mate selection process. One final mechanism for coat color variation is physiological response purposes, such as temperature regulation in tropical or arctic environments. Although much has been observed about color variation, much of the genetic that link coat color to genes is still unknown. The genetic sites where pigmentation genes are found are known to affect phenotype by: 1) altering the spatial distribution of pigmentation of the hairs, and 2) altering the density and distribution of the hairs. Quantitative trait mapping is being used to better understand the distribution of loci responsible for pigmentation variation. However, although the genetic sites are known, there is still much to learn about how these genes are expressed.
Besides Camouflage being a reason for having certain hair colors, what other reasons have been discovered?
A: sexual selection, communication, and physiological processes
Problem: Please answer a question about the following article about Northwestern University:
The football team plays at Ryan Field (formerly known as Dyche Stadium); the basketball, wrestling, and volleyball teams play at Welsh-Ryan Arena. Northwestern's athletic teams are nicknamed the Wildcats. Before 1924, they were known as "The Purple" and unofficially as "The Fighting Methodists." The name Wildcats was bestowed upon the university in 1924 by Wallace Abbey, a writer for the Chicago Daily Tribune who wrote that even in a loss to the University of Chicago, "Football players had not come down from Evanston; wildcats would be a name better suited to [Coach Glenn] Thistletwaite's boys." The name was so popular that university board members made "wildcats" the official nickname just months later. In 1972, the student body voted to change the official nickname from "Wildcats" to "Purple Haze" but the new name never stuck.
What is the nickname given to Northwestern's athletic teams?
A:
Wildcats