That is exactly what our head coupon issuer Alan Greenspan did in 1987--and what I believe he would do again.
( That ( ( is ( ( ( ( ( exactly what ) ( ( our ( head coupon ) ) ( issuer ( ( Alan Greenspan ) ( did ( in 1987 ) ) ) ) ) ) -- ) and ) ( what ( I ( believe ( he ( would ( do again ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ is) (SBAR (SBAR (WHADJP (RB exactly) (WP what)) (S (NP (PRP$ our) (NN head) (NN coupon)) (VP (VBD issuer) (SBAR (S (NP (NNP Alan) (NNP Greenspan)) (VP (VBD did) (PP (IN in) (NP (CD 1987))))))))) (: --) (CC and) (SBAR (WHNP (WP what)) (S (NP (PRP I)) (VP (VBP believe) (SBAR (S (NP (PRP he)) (VP (MD would) (VP (VB do) (ADVP (RB again))))))))))) (. .)))
This is what Greenspan did in 1987 and what I think he will do again.
( This ( ( is ( ( ( what ( Greenspan ( did ( in 1987 ) ) ) ) and ) ( what ( I ( think ( he ( will ( do again ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (SBAR (SBAR (WHNP (WP what)) (S (NP (NNP Greenspan)) (VP (VBD did) (PP (IN in) (NP (CD 1987)))))) (CC and) (SBAR (WHNP (WP what)) (S (NP (PRP I)) (VP (VBP think) (SBAR (S (NP (PRP he)) (VP (MD will) (VP (VB do) (ADVP (RB again))))))))))) (. .)))