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

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

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