Which pair of planes is parallel?

A triangular prism. The top points are A and D. The back bottom points are B and E. The front bottom points are C and F.
planes ABC and ABE
planes BEF and DEF
planes ABE and EFC
planes ABC and DEF

Which pair of planes is parallel A triangular prism The top points are A and D The back bottom points are B and E The front bottom points are C and F planes ABC class=