Lab is related to Experiment. Experiment is related to Observation. Observation is related to Remark. Remark is related to Casual. 
Exclude is the opposite of Include. Include is related to Put. Ground is a type of Put. 
Lab <--RelatedTo--> Experiment <--RelatedTo--> Observation <--RelatedTo--> Remark <--RelatedTo--> Casual 
Exclude <--Antonym--> Include <--RelatedTo--> Put <--IsA-- Ground 