In this task you're given two statements in Hindi. 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'.
Q: चंद्रमा पर बनने वाला एक गड्ढा। 
 एक धूमकेतु चंद्रमा से टकरा गया।
A: 
cause