Vast is related to Array. Array is related to Line. Line is related to Continuous. Continuous is similar to Consecutive. 
Upset is similar to Unexpected. Gift can be used for Unexpected. Gift is related to Paper. Paper is related to Necessity. 
Vast <--RelatedTo--> Array <--RelatedTo--> Line <--RelatedTo--> Continuous <--SimilarTo--> Consecutive 
Upset <--SimilarTo--> Unexpected <--UsedFor-- Gift <--RelatedTo--> Paper <--RelatedTo--> Necessity 