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

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

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