An	B-SLOT1	an	http://www.cs.wisc.edu/zhu/space2/ttp3/verb_cartoons/verb_images/star.png
enormous	I-SLOT1	enormous	http://www.cs.wisc.edu/zhu/space2/ttp3/verb_cartoons/verb_images/star.png
explosion	I-SLOT1	explosion	http://www.cs.wisc.edu/zhu/space2/ttp3/verb_cartoons/verb_images/star.png
of	I-SLOT1	of	http://www.cs.wisc.edu/zhu/space2/ttp3/verb_cartoons/verb_images/star.png
a	I-SLOT1	a	http://www.cs.wisc.edu/zhu/space2/ttp3/verb_cartoons/verb_images/star.png
star	I-SLOT1	star	http://www.cs.wisc.edu/zhu/space2/ttp3/verb_cartoons/verb_images/star.png
was	O	be	NONE
recently	B-SLOTM-TMP	recently	http://images.google.com/images?q=tbn:WaQR_GhBBYskkM::www.abebooks.com/blog/wp-content/uploads/2009/09/recently-deflowered-gril.jpg
observed	B-VERB	observe	UNAVAILABLE_VERB.jpg
by	B-SLOT0	by	http://images.google.com/images?q=tbn:bp7fSbxBAywPuM::www.foxnews.com/images/310571/0_61_astronomers.jpg
astronomers	I-SLOT0	astronomer	http://images.google.com/images?q=tbn:bp7fSbxBAywPuM::www.foxnews.com/images/310571/0_61_astronomers.jpg
.	O	.	NONE