Which of following indicators is used in the titration of oxalic acid with sodium hydroxide solution?

Which of the following indicators is used in the titration of KMnO_(4) against sodium oxalate in an acidic medium?

The indicator use in the titrating oxalic acid with caustic soda solution is :

Which indicator should be used in titrating KOH against oxalic acid ?

The indicator used in the titration of sodium carbonate with sulphuric acid is :