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

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

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