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

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

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