Read book has a sub-event of drink. Read book does not have a sub-event of go outside. Stand in queue has a sub-event of hold container of liquid. Read book has a precondition of open it. Stand in queue has a sub-event of make rest stop. Find information does not have a sub-event of go outside. Take course has a sub-event of read book. Find information does not have a sub-event of use computer. Find information has a precondition of search. Have friend over has a sub-event of drink. Fee stray dog has a sub-event of make rest stop. Drink has a sub-event of hold container of liquid. Drink has final subevent swallow. Find information has a sub-event of take course. Take course does not have a sub-event of go outside.
Find information has a sub-event of read book.