context: Snore has a sub-event of dream. Fly in airplane has a precondition of buy ticket. Fly in airplane does not have a sub-event of learn new thing. Dream has a sub-event of fly. Order meal does not have a sub-event of fly. Fly in airplane has a sub-event of sleep. Have rest has a sub-event of snore. Order meal does not have a sub-event of there be usually bug live there. Find truth has a sub-event of there be usually bug live there. Fly in airplane does not have a sub-event of get stab. Sleep has a sub-event of snore.
text: Sleep has a sub-event of dream.