createleted, it it would plutonium to be used in nuclear weapons. they want construction to be stopped. to stopo want iran enriching uranium for power stations, but that is an issue they are not willing to budge on. >> for more, we are joined by our correspondent in geneva. that was quite an optimistic piece. do you share the optimism? do you think we are close to a deal? >> they have to be optimistic because they had to change their plans. two weeks ago, the ministers left geneva with the idea to come back just for presenting the contract. now they are where they ended two weeks ago. they are involved in negotiations. a diplomat told me you cannot repeat this several times. therefore, pressure is much higher than two weeks ago. they have to come to an agreement. they have to find a solution. otherwise, it will be quite complicated. >> potentially, what will this deal look like? simply spoken, iran has to abandon plans to use nuclear energy for military purposes. 5 plus one countries have to offer relief of sanctions. they have to find a currency th