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

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

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