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

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

*GRAMMAR*
dax -> PINK 
 fep -> PURPLE 
 lug -> RED 
 wif -> GREEN 
 u1 zup u2 -> [u2] [u1] 
 u1 kiki x1 -> [x1] [u1] [u1] [x1] 
 x1 tufa x2 -> [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 