The [[majority]] of the studies done on [[contrast]] and contrastive relations in [[semantics]] has [[concentrated]] on characterizing exactly which semantic [[relationships]] could give rise to contrast. Earliest studies in semantics also concentrated on identifying what distinguished clauses joined by and from clauses joined by but. | The [[majority]] of the studies done on [[contrast]] and contrastive relations in [[semantics]] has [[concentrated]] on characterizing exactly which semantic [[relationships]] could give rise to contrast. Earliest studies in semantics also concentrated on identifying what distinguished clauses joined by and from clauses joined by but. |