CPL @1094 (98.4%) on 01-jan-2018 [ "arg1 Obama became arg2" "arg1 Obama would be arg2" "arg1 Obama becomes arg2" "arg1 Obama is now arg2" "arg1 Obama as arg2" "arg1 Obama becoming arg2" ] using (barack, first_african_american)
CPL @1094 (99.6%) on 01-jan-2018 [ "arg1 Obama became arg2" "arg1 Obama would be arg2" "arg1 Obama becomes arg2" "arg1 Obama is arg2" "arg1 Obama could be arg2" "arg1 Obama is now arg2" "arg1 Obama as arg2" "arg1 Obama becoming arg2" ] using (barack, first_african_american)