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

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

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