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

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

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