Q: In this task you're given two statements in Marathi. You must judge whether the second sentence is the cause or effect of the first one. The sentences are separated by a newline character. Output either the word 'cause' or 'effect' .
मुलाने बाल्टी वाळूने भरली. 
 तो वाळूचा वाडा बांधत होता.
A:
cause