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

*QUERY*
IN: zup kiki lug OUT: RED GREEN
IN: lug gazzer OUT: RED PURPLE
IN: zup dax tufa gazzer kiki tufa kiki zup OUT: GREEN PINK PINK PURPLE GREEN GREEN
IN: tufa gazzer OUT: PINK PURPLE
IN: tufa OUT: PINK
IN: tufa lug OUT: PINK RED
IN: lug lug OUT: RED RED
IN: lug zup OUT: RED GREEN
IN: gazzer lug kiki gazzer OUT: PURPLE PURPLE RED
IN: lug OUT: RED

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