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: मी माझ्या आजीला एक धन्यवाद-चिठ्ठी लिहिले. 
 तिने मला एक भेट पाठविली.
Student:
cause