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

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

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