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

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

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