YOU SAID:

I am sitting on a red chair in a elementary school building listening to my teacher talk about math

INTO JAPANESE

私は小学校の建物の赤い椅子に座って、先生が数学について話しているのを聞いています

BACK INTO ENGLISH

I'm sitting in a red chair in my elementary school building listening to my teacher talk about math

INTO JAPANESE

小学校の校舎の赤い椅子に座って先生の数学の話を聞いている

BACK INTO ENGLISH

Sitting in a red chair in an elementary school building listening to a teacher talk about mathematics

INTO JAPANESE

小学校の校舎の赤い椅子に座って、先生の数学の話を聞いている

BACK INTO ENGLISH

Sitting in a red chair in an elementary school building listening to a teacher talk about mathematics