European Union foreign policy chief Ashton and Iranian FM Zarif attend a news conference at the end of the Iranian nuclear talks in GenevaVia Justyna Pawlak and Parisa Hafezi GENEVA (Reuters) – Large powers resumed talks on Wednesday on a preliminary deal to curb Iran's nuclear application with Russia and Britain confident a leap forward can be clinched and Iran spelling out "purple traces" but saying it wanted pleasant ties with all countries. Eager to finish a long standoff and head off the risk of a wider Center East struggle, america, Russia, China, France, Britain and Germany came as regards to profitable concessions from Tehran on its nuclear task in return for some sanctions reduction at negotiations in Geneva past this month. Russian Overseas Minister Sergei Lavrov said previous: "We hope the efforts that are being made shall be topped with success at the meeting that opens these days in Geneva." Chinese Deputy International Minister Li Baodong, head of China's delegation in Geneva, instructed Reuters: "Things are on track." Western governments suspect Iran has enriched uranium with the covert purpose of growing the means to gas nuclear weapons, which Tehran denies.