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

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

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