<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?iran imejiondoa kwenye baadhi ya majukumu yake chini ya mkataba wa nyuklia wa kimataifa wa mwaka 2015, baada ya marekani kujiondoa.  <response>: iran has pulled out of some commitments under the 2015 international nuclear deal, a year after it was abandoned by the us. 