The advantage of such a distinction is that it might free the semanticist from having to include all kinds of knowledge in semantics. It would be the role of the pragmatics to investigate the interaction between purely linguistic knowledge and general knowledge. A semantics and pragmatics distinction enables semantics to concentrate on just the linguistic element in utterance comprehension. Pragmatics would then be the field which studies how hearers fill out the semantic structure with contextual information; for example, work out who the speaker is referring to by pronouns, etc, and make inferences which go beyond the meaning of what was said to them; for example that 'I'm tired" might mean "let's go home