Internet can be Modern. Modern is the opposite of Old. Elder is a form of Old. Elder is related to Care. 
Headache is related to Noise. Noise can be used for Warning. Warning is related to Danger. 
Internet --HasProperty--> Modern <--Antonym--> Old <--FormOf-- Elder <--RelatedTo--> Care 
Headache <--RelatedTo--> Noise --UsedFor--> Warning <--RelatedTo--> Danger 