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

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

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