Complex sentence: When a quart of strawberries go missing from the officers' mess, Queeg is convinced that a sailor has made a duplicate key to the food locker and orders a futile strip search of the crew seizing all their keys.
Split into simpler sentences: When a quart of strawberries go missing from the officers' mess, Queeg is convinced that a sailor has made a key to the food locker. He orders a futile strip search of the crew seizing all their keys.