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

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

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