Directions:- Study the following information carefully to answer the question given below.
Four friends Amrita, Deepa, Smita and Rhea complete their Ph.D. in a different number of years. The one who took maximum time took eight years to complete her Ph.D. while the one who took the least time took only three years to complete it. Rhea took more time only than Amrita and completed her Ph.D. in five years. Smita did not take longer time than Deepa to complete her Ph.D.
Who amongst the following took the maximum number of years to complete Ph.D.?