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

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

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