καὶ τὸν λόγον ἐκράτησαν, πρὸς ἑαυτοὺς συζητοῦντες τί ἐστι τὸ ἐκ νεκρῶν ἀναστῆναι.

1. καὶ
   and
2. τὸν
   the
3. λόγον
   word
4. ἐκράτησαν
   they seized
   seized
5.  
   ,
    
6. πρὸς
   to
   toward
7. ἑαυτοὺς
   themselves
8. συζητοῦντες
   discussing
   disputing
9. τί
   what
   something
10. ἐστι
    is
11. τὸ
    the
12. ἐκ
    from
    out of
13. νεκρῶν
    dead
14. ἀναστῆναι
    to rise
15.  
    .
     

And they seized the word, discussing among themselves what the rising from the dead is.