General Studies · Puzzles

Seven boxes, D, E, F, G, S, T and U, are kept one over the other but not necessarily in the same order. Only three boxes are kept above G. Only one box is kept between T and G. Only three boxes are kept between T and S. S is kept at some place above G. E is kept immediately below S. F is kept at one of the places above D. U is not kept immediately above or below T. Which box is kept at the lowermost position?