Task: Question Answering
Input (English): Context: Cochlicopoidea is a infraorder of air - breathing land snails , terrestrial gastropod mollusks in the informal group Orthurethra ., Stylommatophora is a taxon of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon is considered to be a clade. It used to be regarded as an infraorder (also sometimes was considered to be an order). This taxon includes the majority of land snails and slugs., Orthurethra is a clade of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora., Subject: cochlicopoidea, Relation: parent_taxon, Options: (A) orthurethra (B) stylommatophora
Output (English): stylommatophora