In UML notation, the relationship line in a relationship with a non-ID-dependent weak entity is labeled as

When Jerry took delivery of his brand new Karuaf automobile, he was filled with pleasure and excitement as Karuaf is a very expensive brand. This is an example of the__________effect associated with the price-quality relationship

Fill in the blanks with correct word.

Research shows that telling ethnic jokes can improve cross-cultural relations

Indicate whether this statement is true or false.