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

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

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