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

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

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