Anchor: The alcohol concentration can be determined by saliva testing, breath analysis, or blood test.
Entailed: There are a number of ways to find the levels of alcohol concentration.
Contradiction: There is no way to detect levels of alcohol concentration.
Contradiction: The entire room was completely silent. 
Contradiction: Competent Filipinos are frequent performers in the jazz and popular music scene in the area.
Contradiction: A young man jumping up and down
Contradiction: It is commonplace to have a frontier hut.