How does nestor foreshadow the suitors plot to kill telemachus

Nestor foreshadows the plan of the suitors to kill Telemachus through his account of what happened to Agamemnon who was murdered by people around him. Despite this Telemachus was reassured that his voyage was going to be safe with the help of Athena.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).