With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Martian stars Matt Damon as an astronaut.
text_B: The Shivalik Public School -LRB- SPS -RRB- is an English-medium , private , co-educational residential-cum-day school located in Sector 56 , Mohali , India and has three other subsidiaries in Chandigarh , Patiala , and Nawanshahr .. Mohali. Mohali. English-medium. English-medium. co-educational. co-educational. Chandigarh. Chandigarh. Patiala. Patiala. Nawanshahr. Nawanshahr. India. India. The institution was established in 1970 .. The school is affiliated to the Central Board of Secondary Education -LRB- CBSE -RRB- .. Central Board of Secondary Education. Central Board of Secondary Education. It is one of the most prestigious school in Punjab .. Punjab. Punjab. The school caters to pupils from kindergarten up to class 12 .. kindergarten. kindergarten. This school has been ranked as number 1st in Mohali , 3rd in Punjab and 88th in India .. Mohali. Mohali. Punjab. Punjab. India. India. In addition , this school has got 6th position as an active participant in co-curricular activities and 10th in its infrastructure provision at the national level .
not_related.