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

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

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