35. Which of the following are valid sets of instructions for a Turing machine?

X. (1,0,0,1,L),(1,0,0,2,R),(2,0,1,3,R),(3,0,1,1,R),(3,1,0,1,L)

Y. (1,b,1,1,L),(1,1,0,3,R),(2,0,1,3,L),(2,0,0,1,R),(3,b,b,1,L)

Z. (1,0,0,3,R),(1,1,0,2,L),(2,0,1,2,L),(2,0,0,1,L),(3,1,0,2,R)

A. X only

B. Y only

C. Z only

D. None of X, Y, and Z

E. All, or two of X, Y, and Z