*SUPPORT*
IN: wif fep wif kiki zup kiki OUT: GREEN RED RED GREEN
IN: dax fep kiki OUT: RED PINK
IN: wif zup wif fep dax OUT: GREEN PINK GREEN
IN: kiki tufa dax OUT: PINK RED PINK
IN: wif lug dax OUT: GREEN BLUE PINK
IN: wif tufa dax OUT: PINK GREEN PINK
IN: lug tufa dax OUT: PINK BLUE PINK
IN: dax zup lug tufa dax OUT: PINK PINK BLUE PINK
IN: wif OUT: GREEN
IN: kiki OUT: RED
IN: lug OUT: BLUE
IN: dax kiki wif zup dax OUT: PINK RED GREEN PINK
IN: wif zup dax OUT: GREEN PINK
IN: lug zup kiki fep lug lug OUT: BLUE BLUE BLUE RED

*QUERY*
IN: lug fep lug fep wif kiki OUT: GREEN RED BLUE BLUE
IN: lug zup wif OUT: BLUE GREEN
IN: dax zup wif OUT: PINK GREEN
IN: dax fep wif OUT: GREEN PINK
IN: dax fep lug OUT: BLUE PINK
IN: kiki zup wif OUT: RED GREEN
IN: dax OUT: PINK
IN: lug zup lug tufa dax OUT: PINK BLUE BLUE PINK
IN: wif zup lug OUT: GREEN BLUE
IN: lug fep kiki OUT: RED BLUE

*GRAMMAR*
kiki -> RED 
 lug -> BLUE 
 wif -> GREEN 
 dax -> PINK 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 fep x1 -> [x1] [u1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 