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

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

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