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

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

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