+---------------MOD_POST:N-ADJ---------------+               
                                                        +--------OBJ:V-N-------+                     |               
                                                        |   +MOD_ATT:N-+       |                     |               
           +OBJ:V-N+-MOD_POST:N-ADJ-+---COMP:ADJ-N(in)--+   |    +MOD_A+SUBJ:V-+-OBJ:V-N-+MOD_P+     +COMP:ADJ-N+    
           |       |                |                   |   |    |     |       |         |     |     |          |    
 Mutant __SP__ __NODE__ gene ( homozygous knockout ) in 6 month old __SP__ decreases quantity of __NODE__ in testis .
OBJ:V-N (__SP__,__NODE__)
MOD_POST:N-ADJ (__NODE__,homozygous)
COMP:ADJ-N(in) (homozygous,6)
MOD_POST:N-ADJ (6,__NODE__)
MOD_ATT:N-N (__SP__,month)
MOD_ATT:N-ADJ (__SP__,old)
OBJ:V-N (decrease,6)
SUBJ:V-N (decrease,__SP__)
OBJ:V-N (decrease,quantity)
MOD_POST:N-ADJ (quantity,of)
COMP:ADJ-N(in) (__NODE__,testis)