*SUPPORT*
IN: dax tufa blicket kiki tufa gazzer OUT: PINK BLUE GREEN BLUE GREEN
IN: gazzer wif kiki OUT: PINK RED PINK RED
IN: blicket gazzer kiki fep dax OUT: GREEN BLUE PINK BLUE PINK
IN: blicket fep wif OUT: RED BLUE
IN: gazzer blicket kiki OUT: PINK BLUE PINK BLUE
IN: blicket gazzer OUT: BLUE PINK
IN: blicket kiki OUT: BLUE BLUE
IN: wif wif OUT: RED RED
IN: dax OUT: GREEN
IN: blicket OUT: BLUE
IN: gazzer OUT: PINK
IN: wif OUT: RED
IN: wif blicket kiki OUT: RED BLUE RED BLUE
IN: wif kiki kiki OUT: RED RED RED RED

*QUERY*
IN: wif fep blicket OUT: BLUE RED
IN: gazzer wif fep dax kiki OUT: GREEN PINK RED GREEN PINK RED
IN: dax wif OUT: GREEN RED
IN: dax gazzer blicket kiki OUT: GREEN PINK BLUE GREEN PINK BLUE
IN: wif fep gazzer OUT: PINK RED
IN: wif kiki OUT: RED RED
IN: blicket kiki kiki OUT: BLUE BLUE BLUE BLUE
IN: gazzer kiki OUT: PINK PINK
IN: dax dax OUT: GREEN GREEN
IN: gazzer tufa dax kiki OUT: GREEN PINK GREEN PINK

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