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

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

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