True or False

Please circle final answer

16. The future behavior of a PDA depends only on its current state and the input left to be read. the I-M relation. 18. Given a CFL L and a string w, it is always possible to decide if weL. 19. Given a CFL L, it is always possible to decide if L is an infinite language. 20. Given a CFL L, it is always possible to decide if L = . 17. The I- relation on PDA configurations is the reflexive and transitive closure of