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

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

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