Childhood is related to Young. Young is related to Girl. Girl is related to Skirt. Skirt is related to Slip. 
one thing you do when you Sing is Breathe. you would Sing because Happy. 
Childhood <--RelatedTo--> Young <--RelatedTo--> Girl <--RelatedTo--> Skirt <--RelatedTo--> Slip 
Breathe <--HasSubevent-- Sing --MotivatedByGoal--> Happy 