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

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

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