Input: Article: The Weston Cadet (model 852 introduced in 1949), Direct Reading (model 853 introduced 1954) and Master III (models 737 and S141.3 introduced in 1956) were the first in their line of exposure meters to switch and utilize the meanwhile established ASA scale instead. Other models used the original Weston scale up until ca. 1955. The company continued to publish Weston film ratings after 1955, but while their recommended values often differed slightly from the ASA film speeds found on film boxes, these newer Weston values were based on the ASA system and had to be converted for use with older Weston meters by subtracting 1/3 exposure stop as per Weston's recommendation. Vice versa, "old" Weston film speed ratings could be converted into "new" Westons and the ASA scale by adding the same amount, that is, a film rating of 100 Weston (up to 1955) corresponded with 125 ASA (as per ASA PH2.5-1954 and before). This conversion was not necessary on Weston meters manufactured and Weston film ratings published since 1956 due to their inherent use of the ASA system; however the changes of the ASA PH2.5-1960 revision may be taken into account when comparing with newer ASA or ISO values.

Now answer this question: Which cameras were first of their type to adopt the ASA scale?

Output: The Weston Cadet (model 852 introduced in 1949), Direct Reading (model 853 introduced 1954) and Master III (models 737 and S141.3 introduced in 1956)

Input: Article: The city's first bus rapid transit line, the Metrobus, began operation in June 2005, along Avenida Insurgentes. Line 2 opened in December 2008, serving Eje 4 Sur, line 3 opened in February 2011, serving Eje 1 Poniente, and line 4 opened in April 2012 connecting the airport with San Lazaro and Buenavista Station at Insurgentes. As the microbuses were removed from its route, it was hoped that the Metrobus could reduce pollution and decrease transit time for passengers. In June 2013, Mexico City's mayor announced two more lines to come: Line 5 serving Eje 3 Oriente and Line 6 serving Eje 5 Norte. As of June 2013, 367 Metrobus buses transported 850,000 passengers daily.

Now answer this question: What is the name of the city's fast bus line?

Output: Metrobus

Input: Article: Fifty-year-old Baena, of Guatemalan origin, was employed by the family for 20 years and retired in January 2011. The pregnant Baena was working in the home while Shriver was pregnant with the youngest of the couple's four children. Baena's son with Schwarzenegger, Joseph, was born on October 2, 1997; Shriver gave birth to Christopher on September 27, 1997. Schwarzenegger says it took seven or eight years before he found out that he had fathered a child with his housekeeper. It wasn't until the boy "started looking like me, that's when I kind of got it. I put things together," the action star and former California governor, told 60 Minutes. Schwarzenegger has taken financial responsibility for the child "from the start and continued to provide support." KNX 1070 radio reported that in 2010 he bought a new four-bedroom house, with a pool, for Baena and their son in Bakersfield, about 112 miles (180 km) north of Los Angeles. Baena separated from her husband, Rogelio, in 1997, a few months after Joseph's birth, and filed for divorce in 2008. Baena's ex-husband says that the child's birth certificate was falsified and that he plans to sue Schwarzenegger for engaging in conspiracy to falsify a public document, a serious crime in California.

Now answer this question: What's the first name of Schwarzenegger's son with Baena?

Output:
Joseph