So confused

AF is still 3 days away but I took a First Response test first thing this morning & i glanced at it right away & it looked negative (only 1 line) so I just walked out of the room & came back an hour later & the second line had appeared (faint, but definitely visible & pink). So then I thought I'd take another & I took a Clear Blue & it came back negative (minus sign). So I guess my question is could the First Response have been an evaporation line, even if it was pink? I read that the evaporation line appears only when the test has dried, but mine was still visibly wet. Help!