Q. Consider the languages: L1 ={a^n b^n c^m | n,m >01 and L2 ={a^n b^m c^m |n,m> o) Which one of the following statements is FALSE?

• (A) L1 n L2 is a context-free language
• (B) L1 u L2 is a context-free language
• (C) L1 and L2 are context-free languages
• (D) L1 n L2 is a context sensitive language