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

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

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