1.  This film is mirroring the century-old fairy tale of the prince saving the princess.

 This film mirrors the century-old fairy tale of the prince saving the princess.

2.  There is not sufficient evidence that Scar is gay.

 No sufficient evidence supports that Scar is gay.

3.  The lionesses are threatened by the hyenas.

The hyenas threatened the lionesses.

4.  While music plays an important role in Casablanca, there are numerous other theatrical elements which help create the effect desired by the director.

 While music plays an important role in Casablanca, numerous other theatrical elements help create the effect desired by the director.

5.  This lighting is also effective in mirroring the multitude of secrets that are evident in people's covert behavior.

 This lighting effectively mirrors the multitude of secrets evident in people's covert behavior.

6.  Refugees are taken advantage of by thieves and black marketeers in an attempt to obtain the visa needed to leave Casablanca.

 Thieves and black marketeers take advantage of refugees in an attempt to obtain the visa needed to leave Casablanca.