>!> Doing distribution upgrade ...
>!> 1: I_Th_[S1:0][package]A-1.0-1.noarch
>!> 2: U__s_[S2:0][package]B-2.0-1.noarch
>!> Solution #1:
>!> remove  A-1.0-1.noarch
>!> installs=0, upgrades=0, uninstalls=1