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

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

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