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

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

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