Here are the words that must be included in your "piece":
1. spurious- (adj.) lacking authenticity or validity; false; counterfeit
2. mendacity- (n.) the condition of being untruthful
3. obfuscate- (v.) to deliberately make obscure; to make confusing
4. trenchant- (adj.) sharply perceptive; keen; penetrating
5. inimical- (adj.) damaging; harmful; injurious
Again, for your reading pleasure, click on the comments link to read the daily entries. Damn, my GRE score had better improve!