In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Example Input: Question: How long is the body of water that Whittier Narrows is part of? Passage:During the expedition, Father Crespí observed a location along the river that would be good for a settlement or mission. However, in 1771, Father Serra instead commissioned two missionaries to establish the Mission San Gabriel Arcángel-San Gabriel Mission near the present day Whittier Narrows section of the San Gabriel River. The missionaries encountered resistance from the Tongva to their attempts to resettle the Natives on the mission. The mission encountered further trouble in 1776 when a flood damaged the mission, convincing the missionaries to move and rebuild the mission on a higher and more defensible location: its present site in San Gabriel. The first Spanish governor of Las Californias, Felipe de Neve had, as well, recommended to Viceroy Bucareli Father Crespí's location on the Río Porciúncula (Los Angeles River) for a mission. Instead, in 1781, King Charles III mandated that a pueblo be built on the site instead, which would be the second town in Alta California, after San José de Guadalupe in 1777. The monarch, disregarding the production and trade roles of the missions, saw a greater need for secular pueblos to be established as the centers of agriculture and commerce to supply the crown's ever-growing military presence in "Nueva California." The priests at the missions ignored the royal mandate and continued their ranching, trading and production of tallow, soap, hides, and beef, often in competition with new pueblo ventures.
 Links: a. Los Angeles River b. History of San Jose, California c. Los Angeles River d. Whittier Narrows
Example Output: d

Example Input: Question: How tall is the artist that Ingram made the duet "The Day I Fall in Love" with? Passage:In the 1990s, Ingram's highest-profile team-up came again with Quincy Jones, on the song "The Secret Garden". This song also featured vocals by Barry White, El DeBarge, and Al B. Sure!. Soundtrack songs were popular for Ingram in the 1990s. From the movie Sarafina! came "One More Time", and from City Slickers came "Where Did My Heart Go?" In 1991, he and Melissa Manchester performed the song "The Brightest Star" in the animated Christmas film Precious Moments Timmy's Gift. In 1993, they performed the song again in the film's sequel Precious Moments Timmy's Special Delivery. Ingram's 1994 composition "The Day I Fall in Love", a duet with Dolly Parton, was the theme song for the movie Beethoven's 2nd and was nominated for an Academy Award for Best Original Song. Ingram and Parton performed the song live on the Oscar broadcast. In 1997, he and Carnie Wilson co-wrote the song "Our Time Has Come" and lent it to the animated film Cats Don't Dance.
 Links: a. Melissa Manchester b. Dolly Parton c. Sarafina! (film) d. Cats Don't Dance
Example Output: b

Example Input: Question: Which person that the Ibicaba recieved when it was a military headquarters was oldest? Passage:The Ibicaba Farm (in Portuguese: Fazenda Ibicaba) is one of the most known farms of Brazil. Established in 1817 by senator Nicolau Vergueiro, it was widely known as one of the most macabre symbols of the slavery in the state of São Paulo. Afterwards, it has become the pioneer in the replacement of the African enslaved by the European immigrants' labour and in the use of the steam engine, cart and plough. The Ibicaba has also served as a military headquarters during the War of the Triple Alliance, receiving the Emperor Dom Pedro II, the princess Isabel and the count Gaston of Eu. In the 19th century, it was the stage to the revolt of the European immigrants, led by Thomaz Davatz, who achieved to show the European authorities the conditions in which their former citizens lived in Brazil. By 1882, the Italian immigration to Brazil grew significantly, encouraging the aftermost massive immigrations of Italians to the whole state of São Paulo, including its capital. In 1890, the farm was bought by the Levy family, and then reduced thanks to the allotment and inheritance conditions. Since the 1990s, it's being used as a museum and tourist site.
 Links: a. Pedro II of Brazil b. Brazil c. Paraguayan War d. Brazil
Example Output:
c