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

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

*GRAMMAR*
kiki -> PURPLE 
 zup -> RED 
 fep -> PINK 
 dax -> GREEN 
 x1 lug x2 -> [x2] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 wif u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 