We	B-SLOT0	we	http://www.cs.wisc.edu/zhu/space2/ttp3_new/images/not_available.gif	
are	B-VERB	be	http://www.cs.wisc.edu/zhu/space2/ttp3_new/images/not_available.gif	
grateful	B-SLOT1	grateful	http://www.cs.wisc.edu/zhu/space2/ttp3_new/images/not_available.gif	
.	O	.	NONE