Complex sentence: Back in Paris Breton joined in the Dada activities and also started the literary journal "Littérature" along with Louis Aragon and Philippe Soupault, and experimenting with automatic writing--spontaneously writing without censoring one's thoughts.
Split into simpler sentences: Back in Paris Breton joined in the Dada activities and also started the literary journal "Littérature" along with Louis Aragon and Philippe Soupault. They began experimenting with automatic writing--spontaneously writing without censoring one's thoughts.