Active is a synonym of Practical. People can be Practical. you are likely to find People in/at/on Classroom. Classroom is related to Note. 
Reverse is part of Car. you are likely to find Clock in/at/on Car. Clock is related to Digital. 
Active <--Synonym--> Practical <--HasProperty-- People --AtLocation--> Classroom <--RelatedTo--> Note 
Reverse --PartOf--> Car <--AtLocation-- Clock <--RelatedTo--> Digital 