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

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

*GRAMMAR*
gazzer -> GREEN 
 zup -> YELLOW 
 tufa -> PURPLE 
 fep -> RED 
 u1 dax u2 -> [u2] [u1] 
 x1 lug x2 -> [x1] [x2] 
 x1 wif u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 