In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: the diagonal of a rhombus are 25 m and 50 m . its area is : 
Options: a ) 900 , b ) 800 , c ) 700 , d ) 625 , e ) 650

Output: d


Input: Consider Input: Problem: 30 square stone slabs of equal size were needed to cover a floor area of 50.7 sq . m . find the length of each stone slab ? 
Options: a ) 130 cm , b ) 767 cm , c ) 88 cm , d ) 666 cm , e ) 776 cm

Output: a


Input: Consider Input: Problem: how many 2 - inch by 3 - inch rectangular tiles are required to tile this shaded region ? 
Options: ['a ) less than 10', 'b ) 10 — 100', 'c ) 101 — 1,000', 'd ) 1,001 — 1,500', 'e ) 1,500 +']


Output: e