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

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

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