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

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

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