Iran pushed back Wednesday against U.S. President Donald Trump's pressure tactics ahead of critical talks in Geneva over Tehran's nuclear program, alternating between calling his remarks "big lies" to saying negotiations may yield an agreement through "honorable diplomacy."

The remarks by two Iranian officials ahead of Thursday's talks come as America has assembled its biggest deployment of aircraft and warships to the Middle East in decades, part of Trump's efforts to get a deal while Iran struggles at home with growing dissent following nationwide protests last month.