*SUPPORT*
IN: fep wif zup wif OUT: GREEN YELLOW YELLOW YELLOW
IN: blicket zup wif OUT: YELLOW YELLOW BLUE
IN: tufa OUT: PURPLE
IN: wif wif dax lug tufa OUT: PURPLE YELLOW YELLOW YELLOW YELLOW PURPLE
IN: tufa fep dax OUT: PURPLE GREEN PURPLE GREEN
IN: tufa blicket OUT: PURPLE BLUE
IN: tufa blicket blicket fep lug fep OUT: GREEN PURPLE BLUE BLUE GREEN GREEN
IN: wif zup tufa OUT: PURPLE PURPLE YELLOW
IN: wif zup fep OUT: GREEN GREEN YELLOW
IN: wif blicket zup fep OUT: YELLOW GREEN GREEN BLUE
IN: wif zup wif OUT: YELLOW YELLOW YELLOW
IN: wif lug blicket OUT: BLUE YELLOW BLUE
IN: blicket zup fep OUT: GREEN GREEN BLUE
IN: fep zup wif OUT: YELLOW YELLOW GREEN

*QUERY*
IN: wif zup blicket OUT: BLUE BLUE YELLOW
IN: tufa zup wif OUT: YELLOW YELLOW PURPLE
IN: blicket dax OUT: BLUE BLUE
IN: wif OUT: YELLOW
IN: tufa fep OUT: PURPLE GREEN
IN: blicket zup blicket OUT: BLUE BLUE BLUE
IN: tufa blicket dax OUT: PURPLE BLUE PURPLE BLUE
IN: blicket wif dax OUT: BLUE YELLOW BLUE YELLOW
IN: blicket zup wif lug blicket OUT: BLUE YELLOW YELLOW BLUE BLUE
IN: fep zup fep dax lug tufa OUT: PURPLE GREEN GREEN GREEN GREEN GREEN GREEN PURPLE

*GRAMMAR*
wif -> YELLOW 
 tufa -> PURPLE 
 blicket -> BLUE 
 fep -> GREEN 
 u1 zup u2 -> [u2] [u2] [u1] 
 x1 dax -> [x1] [x1] 
 x1 lug u1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 