Final answer:
The word 'unreasonable' shows bias in the sentence.
Step-by-step explanation:
The word in the sentence that most clearly shows bias is unreasonable.
Bias refers to the preference or prejudice in favor of or against a particular thing, person, or group. In this case, the word 'unreasonable' suggests a negative judgment about the fee charged, indicating a biased perspective that the fee is not fair or justifiable.
By describing the fee as 'unreasonable,' the sentence portrays a biased viewpoint against the restaurant's actions in setting the fee, which may influence readers' opinions on the matter.
Learn more about bias in a sentence