Question: You are given the following knowledge base: 1. No one is both a vegetarian and a butcher. 2. Everyone, except butchers, likes vegetarians. 3. John

You are given the following knowledge base:

1. No one is both a vegetarian and a butcher.

2. Everyone, except butchers, likes vegetarians.

3. John is a vegetarian.

Write the sentences in predicate calculus, transform them to CNF, and use resolution to answer the question "Is there someone that John likes?".

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