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

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

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