I can't agree with some of the "correct" choices. Like, I get that the "2h" sign is meant to be de-emphasised, but there's a level of contrast beyond which bec

I can't agree with some of the "correct" choices. Like, I get that the "2h" sign is meant to be de-emphasised, but there's a level of contrast beyond which becomes unreadable. If so, why put it there in the first place?