Communication Problem, Do you think that can be solve in this case?

Question

One day, Chicken and Duck going out for some food at the football field. they walk along the football field then some time they have to face each other. The situation is:- what will Duck or chicken will say when they face to face with each other??? are they say "HI" or are they say "HELLO"...

Answer 1

Chicken "cluck"
Duck "quack" :D

Answer 2

Chicken will say, " oh, hi, hello there...." , and the duck will say, "oh, hello, hi there....": end of the problem, and, bon appeti(te)!