Boat is related to Like. Like is related to Admire. Admire is a type of Look. Look is a synonym of Attend. 
Unusual is a synonym of Strange. Strange is related to Foreign. Foreign is related to Country. 
Boat <--RelatedTo--> Like <--RelatedTo--> Admire --IsA--> Look <--Synonym--> Attend 
Unusual <--Synonym--> Strange <--RelatedTo--> Foreign <--RelatedTo--> Country 