YOU SAID:
I am in a train that is not a train and i am going to be here for a long time.
INTO JAPANESE
私は電車ではない電車に乗っており、私は長い間ここにいるつもりです。
BACK INTO ENGLISH
I'm on a non-train train and I'm going to stay here for a long time.
INTO JAPANESE
私は電車ではない電車に乗っており、長い間ここに滞在します。
BACK INTO ENGLISH
I am on a non-train train and will stay here for a long time.
INTO JAPANESE
私は電車以外の電車に乗っており、ここに長時間滞在します。
BACK INTO ENGLISH
I am on a non-train train and will stay here for a long time.
Well done, yes, well done!