With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gustave Eiffel made significant contributions to aerodynamics.
text_B: The Chamber of Deputies of the Parliament of the Czech Republic -LRB- Poslanecka snemovna Parlamentu Ceske republiky , PSP or PSP CR -RRB- or just Chamber of Deputies , is the lower house of the bicameral Parliament of the Czech Republic .. Parliament of the Czech Republic. Parliament of the Czech Republic. The seat of the Chamber of Deputies is Thun Palace in Mala Strana , Prague .. Mala Strana. Mala Strana. Prague. Prague. The members of the 200-seat house serve for four-year terms and are elected using the party-list proportional representation system .. party-list proportional representation. party-list proportional representation. Since 2002 , there are 14 constituencies matching the Czech regions and the D'Hondt method has been applied .. D'Hondt method. D'Hondt method. regions. Regions of the Czech Republic. The Government is primarily responsible to the Chamber of Deputies and the Prime Minister stays in office only as long as he or she retains the support of a majority of its members .. Government. Government of the Czech Republic. Prime Minister. Prime Minister of the Czech Republic
not_related.