SRL for [visit]: Three Soviet government officials -- the ministers of railroads , of foreign economic relations and of heavy - machine building -- will [visit] Tehran next month for talks , Iran 's official news agency reported .
ARG-0: Three Soviet government officials -- the ministers of railroads , of foreign economic relations and of heavy - machine building -- | ARG-M-MOD: will | ARG-1: Tehran | ARG-M-TMP: next month | ARG-M-PRP: for talks