In my case i was full time my case was genuine. I started studying as followOk we did both actually web form plus file
2018 winter first semester
2018 summer second semester
2018 fall official drop
2019 winter third semester
2019 summer third semester
2019 fall did two fail subject and passed
I am out of 180 days when i recieved refusal. Now applied for reconsideration and recieved corrrespondance letter. Dont know what will be results