Boat is related to Like. Like is related to Pain. Pine is etymologically related to Pain. 
Indicator is derived from Indicate. Indicator is related to Mark. Arrow is a type of Mark. Arrow is related to Stick. 
Boat <--RelatedTo--> Like <--RelatedTo--> Pain <--EtymologicallyRelatedTo-- Pine 
Indicate <--DerivedFrom-- Indicator <--RelatedTo--> Mark <--IsA-- Arrow <--RelatedTo--> Stick 