*SUPPORT*
IN: wif wif kiki gazzer tufa dax OUT: RED GREEN GREEN PINK RED GREEN GREEN PINK
IN: wif OUT: GREEN
IN: blicket dax OUT: YELLOW YELLOW
IN: kiki OUT: PINK
IN: tufa lug kiki OUT: PINK RED
IN: tufa OUT: RED
IN: tufa lug wif OUT: GREEN RED
IN: kiki lug kiki dax OUT: PINK PINK PINK PINK
IN: wif lug kiki OUT: PINK GREEN
IN: blicket lug blicket dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: kiki lug tufa gazzer kiki OUT: PINK RED PINK
IN: blicket gazzer wif OUT: GREEN YELLOW
IN: wif lug blicket gazzer tufa OUT: RED YELLOW GREEN
IN: kiki gazzer blicket gazzer wif gazzer tufa OUT: RED GREEN YELLOW PINK

*QUERY*
IN: tufa gazzer wif dax gazzer wif OUT: GREEN GREEN RED GREEN RED
IN: kiki lug blicket gazzer wif OUT: GREEN YELLOW PINK
IN: kiki lug wif OUT: GREEN PINK
IN: tufa blicket gazzer wif dax OUT: GREEN RED YELLOW GREEN RED YELLOW
IN: blicket lug kiki OUT: PINK YELLOW
IN: wif lug wif gazzer blicket OUT: YELLOW GREEN GREEN
IN: blicket OUT: YELLOW
IN: kiki dax dax OUT: PINK PINK PINK PINK
IN: tufa lug wif dax gazzer tufa gazzer blicket OUT: YELLOW RED GREEN RED GREEN RED
IN: wif blicket dax gazzer tufa gazzer kiki OUT: PINK RED GREEN YELLOW GREEN YELLOW

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