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

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

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