please provide solution for both A and B

F: {CO1}1000{0,1}256 A) g:{0,1}1000{0,1}128 for every xg(x) first runs f(x) cut it into 2 string and throw away the last half. i.e g(x) oulput the first half of f(x). would g be colison desistant? B) defire n:{0,1}2000{0,1y512 for every 2000 bits input sc:x1x2gits h is cone colison desistant