Lineup Decisions - Semis

I have a few tough decisions to make, would appreciate some opinions!

Justin Jackson or David Johnson in standard? - leaning towards Jackson (obviously only if Gordon is out)

Damien Williams or Aaron Jones in 0.5 ppr? - this one is tougher for me

Josh Allen or Aaron Rodgers? - leaning Allen but it’s painful

Last one is in 0.5 ppr:

  1. Pick 2 of Keenan Allen, Hopkins, Davante Adams
  2. Dalvin Cook over the last of those choices in the flex? - Leaning towards the three receivers

Thanks!