Visit friend has a sub-event of have conversation. Drink coffee does not have a sub-event of you exchange information with somebody. Have conversation has a sub-event of you exchange information with somebody. Procreate has a sub-event of have fun. Procreate does not have a sub-event of make sound. Drink coffee has a sub-event of hear music. Procreate does not have a sub-event of milk come out of your nose. Have fun is utilised in keep mind occupy. Be bore has a sub-event of hear music. Have fun has a sub-event of visit friend. Have conversation is utilised in communicate.
Procreate does not have a sub-event of have conversation.