Undecided (3,4)
(Another definition for not sure that I've seen is " Don't know?".)
'undecided' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for in two minds that I've seen before include "The outcome is uncertain" , "Wavering, undecided" , "like Dr Jekyll at times?" , "Torn" , "where similar ideas may be foolish or clever" .)
'undecided' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for pending that I've seen before include "Awaiting settlement" , "Awaiting action" , "imminent" , "Outstanding" , "undecided" .)
'undecided' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for fence that I've seen before include "use offensive weapons" , "Barrier - engage in swordplay" , "Fight with sword - barrier" , "railings" , "Paling; criminal receiver" .)