*SUPPORT*
IN: zup kiki zup dax zup dax wif OUT: RED RED RED RED PINK
IN: wif lug kiki wif tufa blicket lug OUT: PINK BLUE GREEN GREEN PINK PINK PINK PINK
IN: wif dax tufa OUT: PINK BLUE
IN: tufa lug dax blicket OUT: BLUE BLUE GREEN
IN: tufa lug kiki blicket zup dax zup OUT: GREEN RED BLUE BLUE BLUE BLUE RED
IN: blicket lug kiki tufa lug OUT: BLUE BLUE GREEN GREEN GREEN GREEN
IN: zup zup lug OUT: RED RED RED
IN: wif dax wif OUT: PINK PINK
IN: zup zup OUT: RED RED
IN: blicket zup dax wif OUT: GREEN RED PINK
IN: tufa OUT: BLUE
IN: wif blicket lug OUT: PINK GREEN GREEN
IN: blicket OUT: GREEN
IN: blicket dax tufa OUT: GREEN BLUE

*QUERY*
IN: wif lug OUT: PINK PINK
IN: tufa wif wif kiki tufa OUT: BLUE BLUE PINK PINK BLUE PINK PINK
IN: zup lug dax tufa OUT: RED RED BLUE
IN: blicket lug dax tufa OUT: GREEN GREEN BLUE
IN: zup lug dax wif dax wif OUT: RED RED PINK PINK
IN: tufa tufa dax blicket OUT: BLUE BLUE GREEN
IN: tufa dax wif OUT: BLUE PINK
IN: blicket lug OUT: GREEN GREEN
IN: tufa dax zup OUT: BLUE RED
IN: tufa lug OUT: BLUE BLUE

*GRAMMAR*
zup -> RED 
 blicket -> GREEN 
 tufa -> BLUE 
 wif -> PINK 
 x1 dax u1 -> [x1] [u1] 
 u1 lug -> [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 