[문 16∼문 17] ※ 밑줄 친 부분에 들어갈 표현으로 가장 적절한 것을 고르시오. [문 16∼문 17] In fact, newspapers and magazines often stress that they print the news "straight." But the big problem is that there is the variable of human observation. For example, suppose 10 people view an accident, and afterwards, they are interviewed by a reporter. Each one offers a slightly different version. The overlap and its consistencies in their views all go into reconstructing what happened. The absolute truth is impossible to discover because each one saw the accident from a different position. In conclusion, many factors make it difficult to _________ the truth.