Input is a synonym of Remark. Remark is a type of Statement. Statement is related to Question. Question is a synonym of Inquiry. 
Space is related to Big. Big is related to Laugh. Laugh is related to Vocal. 
Input <--Synonym--> Remark --IsA--> Statement <--RelatedTo--> Question <--Synonym--> Inquiry 
Space <--RelatedTo--> Big <--RelatedTo--> Laugh <--RelatedTo--> Vocal 