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

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

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