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

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

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