1.   A sharp distinction between soma and germ line makes it possible to prevent acquired characters from being transmitted.

2.   All sports came to make sharp distinctions between those who received payment and those who did not.

3.   Behaviouralists drew a sharp distinction between normative and scientific statements, and made it the hallmark of science to avoid the normative.

4.   The President drew a sharp distinction between his party and the Republican Party.

5.   There is a sharp distinction between domestic and international politics.

6.   There is not always a sharp distinction between murder and manslaughter.

7.   Many people make a sharp distinction between humans and other animals.

8.   There was a sharp distinction between the free and the unfree.