The main advantage of the parliamentary form of government is that

States the executive is part of the legislature and both are interdependent, indicating lack of independence between the two organs.

A student could compare this rule to constitutions or practices of specific countries to see whether ministers are drawn from the legislature to test independence.

Contrasts parliamentary (based on cooperation/coordination) with presidential (based on separation of powers), giving a general rule about relations between executive and legislature.

One could use this rule to classify a given country's system by checking for constitutional clauses creating ministerial responsibility to the legislature.

Defines parliamentary government as one in which the executive is responsible to the legislature—implying dependence rather than independence.

A student might inspect whether the executive can remain in office without legislative confidence in a given country to evaluate independence.

Explicitly states there is a fusion of powers in the parliamentary system and that legislature and executive are 'together and inseparable.'

Use this pattern to check if the cabinet leads both legislature and executive in practice (e.g., prime ministerial leadership) to infer non‑independence.

Says in a parliamentary system executive and legislature are interdependent: the legislature controls the executive and is in turn controlled by it, describing mutual dependence.

A student could examine institutional mechanisms listed (e.g., no-confidence motions, ministerial accountability) in a country's practice to assess independence.