λέγων, ὅταν ἐρωτῶσιν ὑμᾶς οἱ υἱοι ὑμῶν λέγοντες, τί εἰσιν οἱ λίθοι οὗτοι;

1. λέγων
   saying
2.  
   ,
    
3. ὅταν
   whenever
   when
4. ἐρωτῶσιν
   they ask
5. ὑμᾶς
   you
6. οἱ
   the
7. υἱοι
   sons
8. ὑμῶν
   your
9. λέγοντες
   saying
10.  
    ,
     
11. τί
    what
    something
12. εἰσιν
    are
13. οἱ
    the
14. λίθοι
    stones
15. οὗτοι
    these
16.  
    ;
     

saying, Whenever your sons ask you, saying, What are these stones?