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

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

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