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

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

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