Group 8: Cooperative Principles and Implicature

In the Gricean model, the bridge from what is said to what is communicated is built through implicature.
In communication, people should follow cooperative principles, in order the communication can be understood by both the speaker and listener. So, Does implicature only arise when the communicator or speaker follows the cooperative principles ?

Group 7: Speech Act

After reading material from our group.  What is your conclusion about the speech act?  Give responses in your own language.