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

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

*GRAMMAR*
wif -> GREEN 
 lug -> PURPLE 
 fep -> RED 
 gazzer -> YELLOW 
 u1 dax u2 -> [u1] [u2] 
 u1 tufa u2 -> [u1] [u2] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 