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

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

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