*SUPPORT*
IN: zup blicket lug OUT: GREEN PURPLE PURPLE GREEN
IN: wif kiki lug kiki zup OUT: RED PURPLE GREEN
IN: zup kiki fep tufa lug OUT: GREEN PURPLE YELLOW PURPLE
IN: fep kiki fep tufa lug OUT: YELLOW PURPLE YELLOW PURPLE
IN: lug lug tufa fep OUT: PURPLE YELLOW PURPLE YELLOW
IN: wif tufa wif OUT: RED RED RED
IN: wif tufa zup OUT: GREEN RED GREEN
IN: lug zup OUT: PURPLE GREEN
IN: fep kiki lug kiki zup OUT: YELLOW PURPLE GREEN
IN: lug tufa wif OUT: RED PURPLE RED
IN: wif kiki wif OUT: RED RED
IN: lug tufa zup OUT: GREEN PURPLE GREEN
IN: zup tufa fep blicket wif OUT: YELLOW GREEN YELLOW RED RED YELLOW GREEN YELLOW
IN: fep wif kiki fep OUT: YELLOW RED YELLOW

*QUERY*
IN: fep fep OUT: YELLOW YELLOW
IN: wif tufa lug OUT: PURPLE RED PURPLE
IN: zup kiki fep fep tufa zup OUT: GREEN YELLOW GREEN YELLOW GREEN
IN: zup blicket fep tufa zup OUT: GREEN GREEN YELLOW GREEN GREEN YELLOW GREEN GREEN
IN: zup wif OUT: GREEN RED
IN: zup kiki zup OUT: GREEN GREEN
IN: fep tufa zup OUT: GREEN YELLOW GREEN
IN: fep lug OUT: YELLOW PURPLE
IN: lug tufa fep blicket wif OUT: YELLOW PURPLE YELLOW RED RED YELLOW PURPLE YELLOW
IN: wif zup tufa fep OUT: RED YELLOW GREEN YELLOW

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