Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
no failure or delay by vimeo in exercising any right hereunder will waive any further exercise of that right . 

```
. OPTIONS: ['Unilateral termination' 'Contract by using' 'Unilateral change'
 'Limitation of liability' 'Arbitration' 'None' 'Jurisdiction'
 'Content removal' 'Choice of law'].