Reasoning & answer: Big Ben is currently under a four year renovation project. The bells have been silenced for the duration of the work due to safety. They are only rung on certain holidays, until the construction finishes in 2021.
no
Question: Are Big Ben's bells currently rung on their normal schedule at the Palace of Westminster?

CoT and answer: Leafhoppers are insects that feed on sap from trees. Log Cabin is acompany that originated in Minnesota and makes several varieties of maple syrup. Sap is an ingredient in maple syrup.
yes
Do reverse engineering and find the question: Do Leafhoppers compete with Log Cabin syrup producers for resources?

Solution: Winemaking involves a process known as fermentation where energy is extracted from carbohydrates. A cup of cherries has about 19 grams of carbohydrates. Cherry wine does not contain any grapes.
Answer: no
Question: Are grapes essential to winemaking?

Reasoning & answer: Most international airports and aviators use the foot to measure altitude. China and North Korea require pilots to use meters for altitude. Pilots must communicate their altitude with local air traffic control.
yes
Question: When en route from China to France, must pilots know their altitude in the imperial foot?

CoT and answer: Christopher Reeve suffered a serious spinal cord injury that left him a quadriplegic. Christopher Reeve required a portable ventilator after his injury. At one point, Christopher Reeve's treatment was costing $400,000 yearly.
no
Do reverse engineering and find the question: If he were poor, would Christopher Reeve have lived?

Reasoning & answer: China accounts for 4.6 trillion or 12.4% of global trade. The East India Company took part in half of the world's trade from the 16th to 19th century.
no
Question:
Would East India Company prefer China's modern trade?