Generate a sentence with a complex verbal structure using a given vocabulary.
Words: devious, antagonistic, ferocity
The devious politician displayed an antagonistic demeanor, attacking his opponent with a ferocity that shocked the audience.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a sentence with a complex verbal structure using a given vocabulary.

### Input:
Words: devious, antagonistic, ferocity

### Output:
The devious politician displayed an antagonistic demeanor, attacking his opponent with a ferocity that shocked the audience.