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

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

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