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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> RED 
 kiki -> GREEN 
 tufa -> PINK 
 x1 gazzer x2 -> [x2] [x1] 
 u1 wif u2 -> [u1] [u2] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 