The park has five Christmas trees.  At the top of each tree is decorated with a star.  Each star is of different color which include blue, yellow, orange, red, and purple.  Each tree is decorated with lights of three different colors.  Three trees have been decorated with blue lights.  Three trees have been decorated with yellow lights.  Three trees have been decorated with orange lights.  Three trees have been decorated with red lights.  Three trees have been decorated with purple lights.  None of the trees were decorated with lights with color similar to that of its respective star.  The tree with yellow star is not decorated with red lights.   The tree with purple star is not decorated with orange lights.   The tree with red star is not decorated with purple lights.   What are the color of the Christmas lights decorated on each tree. 

MERRY CHRISTMAS !!!