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

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

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