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

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

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