one thing you do when you Think is Worry. Think is related to Process. Process is related to Vote. Vote is related to Poll. 
Slope is related to People. People is related to Relation. 
Worry <--HasSubevent-- Think <--RelatedTo--> Process <--RelatedTo--> Vote <--RelatedTo--> Poll 
Slope <--RelatedTo--> People <--RelatedTo--> Relation 