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

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

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