you are likely to find Rain in/at/on Forest. Forest is related to Bat. Bat is related to Equipment. Equipment is related to Speaker. 
Teen is related to Party. Party is related to Celebrate. Celebrate is a type of Meet. 
Rain --AtLocation--> Forest <--RelatedTo--> Bat <--RelatedTo--> Equipment <--RelatedTo--> Speaker 
Teen <--RelatedTo--> Party <--RelatedTo--> Celebrate --IsA--> Meet 