you are likely to find Robot in/at/on Factory. Factory is related to Big. Big is related to Theory. Theory is related to Mathematics. 
Reform is a type of Improvement. Improvement is related to Paint. 
Robot --AtLocation--> Factory <--RelatedTo--> Big <--RelatedTo--> Theory <--RelatedTo--> Mathematics 
Reform --IsA--> Improvement <--RelatedTo--> Paint 