Situation: You enter a store where there is a woman who is a little hard of hearing. She hasn’t heard you very well, and, after you tell her that you would like a kilo of lemons, she asks you if it was tangerines that you wanted. You tell her that what you want is lemons.
Semantic interpretation: Contrastive focus.
Speaker: SEP
Utterance: No, de limones.
Translation: No, of lemons.