+--------------------------------COMP:V-N(In)--------------------------------+                        
    |              +---------------------------SUBJ:V-N--------------------------+                        
    |              +---------APPOS---------+                                     |                        
    |   +MOD_ATT:N-+        +-MOD_ATT:N-ADJ+                                     |                        
    |   |    +MOD_A+        |      +MOD_ATT+                                     +-OBJ:V-N-+COMP:N-N(+    
    |   |    |     |        |      |       |                                     |         |         |    
 In 6 month old __SP__ , mutant __SP__ __NODE__ gene ( homozygous knockout ) decreases quantity of sperm .
MOD_ATT:N-N (__SP__,month)
MOD_ATT:N-ADJ (__SP__,old)
APPOS (__SP__,__NODE__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)
COMP:V-N(In) (decrease,6)
SUBJ:V-N (decrease,__SP__)
OBJ:V-N (decrease,quantity)
COMP:N-N(of) (quantity,sperm)