*SUPPORT*
IN: gazzer wif fep OUT: RED RED RED GREEN GREEN RED GREEN GREEN
IN: dax tufa OUT: YELLOW YELLOW
IN: dax OUT: YELLOW
IN: kiki dax kiki tufa OUT: PINK YELLOW PINK PINK YELLOW PINK
IN: kiki lug OUT: PINK PINK
IN: fep kiki OUT: GREEN PINK
IN: gazzer OUT: RED
IN: dax wif dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax wif gazzer OUT: YELLOW YELLOW YELLOW RED RED YELLOW RED RED
IN: kiki wif gazzer OUT: PINK PINK PINK RED RED PINK RED RED
IN: dax wif kiki OUT: YELLOW YELLOW YELLOW PINK PINK YELLOW PINK PINK
IN: gazzer kiki OUT: RED PINK
IN: fep gazzer tufa lug OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: fep OUT: GREEN

*QUERY*
IN: kiki lug tufa OUT: PINK PINK PINK PINK
IN: gazzer gazzer tufa OUT: RED RED RED RED
IN: dax kiki dax fep lug OUT: YELLOW PINK YELLOW GREEN YELLOW PINK YELLOW GREEN
IN: kiki wif fep OUT: PINK PINK PINK GREEN GREEN PINK GREEN GREEN
IN: gazzer lug tufa lug OUT: RED RED RED RED RED RED RED RED
IN: gazzer wif gazzer OUT: RED RED RED RED RED RED RED RED
IN: kiki wif kiki OUT: PINK PINK PINK PINK PINK PINK PINK PINK
IN: gazzer tufa lug OUT: RED RED RED RED
IN: kiki OUT: PINK
IN: kiki tufa OUT: PINK PINK

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