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Que. Pumping -lemma for context-free languages states :
Let Lbe an infinite context free language. Then there exists some positive integer m such that any w ∈ L with Iwl ≥m can be decomposed as w = uv xy Z with Ivxyl_________ and Ivy I such that uvz, xyZ
Z ∈ L for all z = 0, 1,2, .......
a. ≤m, ≤1
b. ≤m,≥1
c. ≥m,≤1
d. ≥m, ≥1
Answer:≤m,≥1
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