Answer:
1. subservient: lower in importance
2. inquity: wickedness
3. ameliorate: improve
4. contentious: misguided
Relevance is ordinarily a necessary condition, but not a sufficient condition, for the admissibility of evidence. For example, relevant evidence may be excluded if its tendency to prove or disprove a fact is heavily outweighed by the possibility that the evidence will prejudice or confuse the jury.
Anything which is not stable (unlikely to move) is unstable.
Evident is the first word. It means the same as obvious, there is evidence that the theater had been well taken care of because of it's appearance.