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

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

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