Consider the Following: Three Men Want to Cross a River;

question 3

Multiple Choice

Consider the following: Three men want to cross a river; they find a boat,but it is a very small boat.It will only carry 200 pounds.The men are named Large (200 lbs) ,Medium (120 lbs) ,and Small (80 lbs) .How can they all get across? They might have to make several trips in the boat (VanLehn,1989) .

• A)two trips
• B)three trips
• C)five trips
• D)cannot be done (evidence for the importance of searching for contradictions)

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Definitions:

Cohort

A group of individuals who share a defining characteristic, typically observed over a certain period of time to detect changes or developments.

Toxic Agents

Substances that cause harm to organisms through chemical reactions or other mechanisms when absorbed into the body.

Placenta

A temporary organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange through the mother's blood supply.

Pregnant Woman

A female in the state of carrying a developing embryo or fetus within her body.