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

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

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