Which of the following statements about the hierarchical model of semantic network is correct?

Group of answer choices

Based on the hierarchical model, an activated node does not spread its activation to other nodes that are directly connected to it$.$

The fact that people answer $$yes$$ faster to the statement $$A pig is an animal$$ than to $$A pig is a mammal$$ is consistent with the assumptions of cognitive economy.

All the links in a hierarchical model are treated equally.

None of the other statements is correct.