CPL @1095 (93.8%) on 17-jan-2018 [ "arg1 Obama became arg2" "arg1 Obama was inaugurated as arg2" "arg1 Obama as arg2" "arg1 Obama elected arg2" ] using (barack, first_black_american_president)
CPL @1094 (96.9%) on 01-jan-2018 [ "arg1 Obama became arg2" "arg1 Obama was inaugurated as arg2" "arg1 Obama be arg2" "arg1 Obama as arg2" "arg1 Obama elected arg2" ] using (barack, first_black_american_president)