how to pass a list in a predicate in prolog

Question

I want to store a paragram as a list in a variable and then call that list for counting how many times a particular word appears in that paragraph.

However, when I do th

Answer 1

You do

?- X = [hello,how,are,you,hello,hello], counthowmany(hello, X, N).
X = [hello, how, are, you, hello, hello],
N = 3.

First you first bind X ans then you ask for this specific X.

Example 2.

?- counthowmany(hello, X, N).
X = [],
N = 0.