Consider the following grammar and the semantic actions to support the inherited type declaration attributes. Let X₁, X₂, X₃, X₄, X₅, and X₆ be the placeholders for the non-terminals D, T, L or L1 in the following table:

Which one of the following are the appropriate choices for 𝑋₁, 𝑋₂, 𝑋₃ and 𝑋₄?