People can be Ethical. People can be Intelligent. 
Dining is related to Eat. the last thing you do when you Eat is Talk. Talk is related to Speak. Speak is related to Reply. 
Ethical <--HasProperty-- People --HasProperty--> Intelligent 
Dining <--RelatedTo--> Eat --HasLastSubevent--> Talk <--RelatedTo--> Speak <--RelatedTo--> Reply 