Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
if after a good faith effort to negotiate one of us feels the dispute has not and can not be resolved informally , the party intending to pursue arbitration agrees to notify the other party via email prior to initiating the arbitration . 

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