Skin is related to Boil. Boil is related to Cooking. Cooking is related to Water. Water is related to Fog. 
Accuracy is related to Clock. Clock is related to Category. Category is a synonym of Type. 
Skin <--RelatedTo--> Boil <--RelatedTo--> Cooking <--RelatedTo--> Water <--RelatedTo--> Fog 
Accuracy <--RelatedTo--> Clock <--RelatedTo--> Category <--Synonym--> Type 