Attraction is related to Flower. Flower is related to Leaf. Lobby is etymologically related to Leaf. Lobby can be Dark. 
Informal is related to Date. Date is related to Movie. 
Attraction <--RelatedTo--> Flower <--RelatedTo--> Leaf <--EtymologicallyRelatedTo-- Lobby --HasProperty--> Dark 
Informal <--RelatedTo--> Date <--RelatedTo--> Movie 