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

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

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