question: OPTIONS:
- yes
- no
A Yagi-Uda array uses passive elements to greatly increase gain.
Adding more elements to a Yagi-Uda would have what effect?

answer: no

[Q]: Sentence: These, in turn, are subdivided into 37 Sectors. Question: How many autonomous sectors does Guinea-Bissau contain? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "The city adopted the Commissioners' Plan of 1811, which expanded the city street grid to encompass all of Manhattan." provide a valid answer to "What plan of 1811 spread a grid of streets across Manhattan?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "With a population of approximately 19.8 million inhabitants (2008), it is one of the most populous conurbations in the world." answer the question "What is the overall population of Mexico City in 2008?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Although unable to resist the popular demand for the expulsion of the Spaniards, he soon quarreled with the legislature, which declared itself firmly for Guerrero, and announcing his support of Bustamante's revolution, he suspended, in March 1830, eight members of that body, the vice-governor, and several other officials, and expelled them from the state." provide a valid answer to the question "Who was the first person elected under the new constitution?" OPTIONS:
- yes
- no

A: no

Does the sentence "Within the Soviet Union, the RSFSR bordered the Ukrainian, Belarusian, Estonian, Latvian and Lithuanian SSRs to its west and Azerbaijan, Georgian and Kazakh SSRs to the south." provide a valid answer to the question "Which Soviet countries did the RSFSR border on the south?" OPTIONS:
- yes
- no

A:
yes