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

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

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