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

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

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