*SUPPORT*
IN: fep gazzer OUT: PINK PINK PINK
IN: wif tufa kiki wif lug tufa OUT: GREEN GREEN RED GREEN RED
IN: tufa gazzer OUT: RED RED RED
IN: zup lug tufa OUT: BLUE RED BLUE
IN: tufa OUT: RED
IN: tufa lug fep OUT: RED PINK RED
IN: fep lug wif OUT: PINK GREEN PINK
IN: zup gazzer OUT: BLUE BLUE BLUE
IN: tufa kiki wif tufa gazzer OUT: GREEN RED RED RED RED
IN: fep tufa fep lug zup OUT: PINK RED PINK BLUE PINK
IN: wif lug zup OUT: GREEN BLUE GREEN
IN: fep kiki wif gazzer OUT: GREEN GREEN GREEN PINK
IN: wif kiki fep kiki zup lug zup OUT: BLUE BLUE BLUE PINK GREEN
IN: zup OUT: BLUE

*QUERY*
IN: wif fep wif tufa lug tufa OUT: GREEN PINK GREEN RED RED RED
IN: fep kiki zup OUT: BLUE PINK
IN: wif kiki zup kiki wif lug zup OUT: GREEN BLUE GREEN BLUE GREEN
IN: zup zup lug tufa OUT: BLUE BLUE RED BLUE
IN: wif wif kiki zup gazzer OUT: GREEN BLUE BLUE BLUE GREEN
IN: wif zup OUT: GREEN BLUE
IN: zup tufa OUT: BLUE RED
IN: wif fep kiki wif zup kiki fep zup OUT: GREEN GREEN PINK BLUE BLUE PINK
IN: wif gazzer OUT: GREEN GREEN GREEN
IN: fep zup OUT: PINK BLUE

*GRAMMAR*
wif -> GREEN 
 tufa -> RED 
 zup -> BLUE 
 fep -> PINK 
 u1 lug u2 -> [u1] [u2] [u1] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 