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

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

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