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

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

*GRAMMAR*
wif -> RED 
 zup -> PINK 
 fep -> GREEN 
 kiki -> PURPLE 
 x1 blicket -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 