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

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

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