public void testNotSentence()
{
Sentence simple = (Sentence)parser.parse("(NOT A)");
Sentence a = (Sentence)parser.parse("(NOT A)");
List<Sentence> clauses = gatherer.getClausesFrom(simple);
Assert.IsNotNull(clauses);
Assert.AreEqual(1, clauses.Count);
Assert.IsTrue(clauses.Contains(a));
}