Take the following as truth: Or didn't your world have any sciences, Dave Hanson?"  Either the five months under his uncle had toughened him, or the sight of the bulldozer falling had knocked him beyond any strong reaction.
Then the following statement: "He had either become more callous under his uncle's guidance or been shocked into indifference by watching the bulldozer fall." is true, false, or inconclusive?
Answer: True