Iran has warned Germany that bilateral relations could suffer if it pays heed to the testimony of Banisadr , an architect of Iran 's Islamic revolution who has been a sworn enemy of Tehran since he fell from favour after a year as president .
<response> <location>Iran</location> has warned <location>Germany</location> that bilateral relations could suffer if it pays heed to the testimony of <person>Banisadr</person> , an architect of <location>Iran</location> 's <misc>Islamic</misc> revolution who has been a sworn enemy of <location>Tehran</location> since he fell from favour after a year as president . </response>