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

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

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