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

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

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