Which of the following are context free language?

(A) {wⁱ x^j y^k z^l| i + k = j + l, where i, j, k, l ≥ 0}

(B) {wi xj yk zl| i = j and k = l, where i, j, k, l ≥ 0} 

(C) {wi xj yk zl| i = j = k and k ≠ l, where i, j, k, l ≥ 0}

(D) {wi xj yk zl| i = j = k + l, where i, j, k, l ≥ 0}

(E) {wi xj yk zl| i = j = l and k ≠ l, where i, j, k, l ≥ 0}

Choose the correct answer from the options given below: