Can computers solve problems posed in natural language?
High-school algebra word problems.
Program reads problem in English, defines variables and sets up equations, then solves equations, and outputs answer in English.
College physics word problems.
"A 150 pound man is standing 10 feet from the top of a 40 foot ladder. The bottom of the ladder is wedged between the ground and a building, and the top of the ladder is attached to the building by a horizontal rope 15 feet long. What is the tension of the rope?�
As above, but also applies appropriate physical laws and outputs illustrative diagram.