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

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

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