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

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

*GRAMMAR*
wif -> PINK 
 tufa -> YELLOW 
 dax -> RED 
 blicket -> GREEN 
 u1 lug -> [u1] [u1] 
 u1 gazzer u2 -> [u1] [u2] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 