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

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

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