Teacher: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' .
Teacher: Now, understand the problem? Solve this instance: आई-वडिलांनी आपल्या मुलांना बेबीसिटर देऊन सोडले. 
 त्यांनी त्यांची वर्धापन दिन साजरे करण्याची योजना आखली.
Student:
cause