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

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

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