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

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

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