QueryOver to select an entity

I have a question. I have this query:

 var query = QueryOver.Of<Item>()
                .JoinQueryOver<ItemRelation>(p => p.ItemRelation)
                .Where开发者_Python百科(r => r.Item1.Id == itemId)

How can I return only Item entity but not Item Relation?

Thanks

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The query actually should only return Predmet ... The RelacijaPredmeta is a property of it. If you don't want to load it, use lazy loading, or select the properties of Predmet individually.