Paragraph 2
Negotiators say the talks will be
. There may not be any
breakthroughs. A US negotiator said: "The primary
to be discussed are...on the one
, the nuclear steps that Iran would need to take to return to
with the 2015 nuclear
, and on the other
, the sanctions-relief steps that the US needs to take." Iran will "reverse its
measures...taken because of the
side's violation of the
".