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

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

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