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

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

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