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

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

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