In a career decision system, specific skills determine suitable job roles.• To become a software engineer, a person should have both analytical skills and programming skills.• To become a marketing executive, a person should have both communication skills and commercial skills. Which of the following production rules correctly represent this situation?

Question

BlackTom AI · Accepted Answer

Software engineer requires both analytical AND programming skills; marketing executive requires both communication AND commercial skills — so each production rule must use logical conjunction (AND) in its condition. 1. Relevant knowledge points and concepts - Production rules take the form IF THEN . - A conjunctive requirement (“should have both X and Y”) is represented by logical AND (X ∧ Y). An OR would allow either skill alone, and a negation changes the requirement. - Correct encoding must map each job to the conjunction of its two required skills. 2. Step-by-step reasoning - Translate the natural-language requirements into logical rules: - Software engineer rule: IF (skill is analytical) AND (skill is programming) THEN (job is software engineer). - Marketing executive rule: IF (skill is communication) AND (skill is commercial) THEN (job is marketing executive). - Look through the choices to find the option that exactly matches these two conjunctive rules. 3. Intermediate representation (logical form) - Software: (analytical ∧ programming) → software_engineer - Marketing: (communication ∧ commercial) → marketing_executive 4. Why the correct answer is correct - Option A exactly matches the two logical forms above: both rules use AND and assign the correct job for each pair of skills. That precisely captures the requirement that both specified skills must be present for the job to be recommended. 5. Why the other options are incorrect - B: Uses OR and also swaps the job assignments (it makes analytical OR programming imply marketing executive and communication OR commercial imply software engineer) — both wrong. - C: First rule uses “analytical AND not programming,” which contradicts the requirement that programming must be present; second rule uses OR, which allows only one marketing skill — incorrect. - D: Uses OR for the software rule (allowing one skill alone) and uses “communication AND NOT commercial” for marketing (requires absence of commercial skill) — both incorrect. 6. Conclusion Option A correctly and exactly encodes the two required conjunctive production rules. This matches the provided answer (A).

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