Four colleagues sit in a single row, facing the same direction. Positions are numbered 1 to 4 from the left end. The colleagues are Gita, Hemant, Isha and Jatin. Jatin sits at one of the two ends of the row. Hemant sits immediately to the right of Gita. Isha sits immediately to the right of Hemant. Gita does not sit at the left end of the row. Who sits second from the left?