Exercise Relations between sentences

The following material is an adapted form of material created by student participants of the project e-Learning Resources for Semantics (e-LRS).
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Relations between sentences

This time, your task is a bit more based on your personal knowledge of semantics. You get 7 sentences, each part of a special kind of semantic relation. Can you describe the semantic relationship expressed by each of the following sentences?

contradiction	entailment	paraphrase
			My brother married a doctor. My male sibling joined in wedlock with a physician.
			Vera has only one dog. Vera’s dogs are called Bert and Oscar.
			My husband keeps forgetting things. Thank God I'm a widow.
			Jane ate a piece of chicken. Jane ate a piece of poultry.
			Vera is an only child. Olga is Vera’s sister.
			I saw Mary at the anniversary party. It was Mary that I saw at the anniversary party.
			Othello killed Desdemona. Desdemona died.