Statement: Detergents should be used to clean clothes. Assumptions: Detergents form more lather. Detergents help to dislodge grease and dirt.

Given data

• Statement: Detergents should be used to clean clothes.
• Assumption I: Detergents form more lather.
• Assumption II: Detergents help to dislodge grease and dirt.

Concept/Approach

An assumption is implicit if the statement relies on it to make sense. A recommendation ('should be used') presumes an effective reason.

Step-by-step reasoningThe recommendation presumes detergents are effective at cleaning by removing grease/dirt ⇒ Assumption II is necessary.More lather does not necessarily imply better cleaning ⇒ Assumption I is not required.

Verification/Alternative

Even if a detergent produced little lather, it could still clean well; the advice would still stand. But if it did not dislodge grease/dirt, the advice would fail.

Common pitfalls

• Equating lather quantity with cleaning efficacy.

Final AnswerOnly assumption II is implicit.