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

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

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