Problem: Beijing recently significantly increased the amount of cars on the roads there through mandatory price cuts for all motor vehicles. In Montreal, the number of cars on the roads has decreased drastically recently through public transportation initiatives and public advertising campaigns encouraging biking and walking. Given the paragraph above, please answer correctly the following question: Which area will produce rain with lower pH?

A: Beijing

Problem: Keith designs car seats. He noticed that some other car seats didn't have any padding. He marked it as case A. On the other hand, most of the seats he designed had padding. He marked it as case B. Keith needed to know pros and cons of both designs. Given the paragraph above, please answer correctly the following question: Which case would more likely make products unsafe, case A or case B?

A: case A

Problem: David is a chemical engineer. Yesterday, he was working on two samples, sample A and sample B. Sample A was a strong acid, and sample B was a weak acid. David needed to find the differences between them. Given the paragraph above, please answer correctly the following question: Would sample B dissociate in water less or more than sample A?

A: less

Problem: Chad invested massively in railways and highways over the past decade. They also funded many IT projects and telecom infrastructure. On the other hand, Bahrain invested less, and didn't do much to improve communication pathways and technologies between different villages. Given the paragraph above, please answer correctly the following question: Which country experiences less interaction between two locales?

A:
Bahrain