( ( Sunspots ( Although ( we ( 're ( at ( ( the peak ) ( of ( the ( 11 ( year ( sunspot cycle ) ) ) ) ) ) ) ) ) ) ) ( , ( there ( ( ( has n't ) ( ( been ( much activity ) ) recently ) ) . ) ) ) )
(ROOT (S (SBAR (ADVP (RB Sunspots)) (IN Although) (S (NP (PRP we)) (VP (VBP 're) (PP (IN at) (NP (NP (DT the) (NN peak)) (PP (IN of) (NP (DT the) (CD 11) (NN year) (NN sunspot) (NN cycle)))))))) (, ,) (NP (EX there)) (VP (VBZ has) (RB n't) (VP (VBN been) (NP (JJ much) (NN activity)) (ADVP (RB recently)))) (. .)))
Sunspots Although we're at the peak of the 11 year sunspot cycle, there hasn't been much activity recently.
(ROOT (S (NP (NNS Sunspots)) (VP (VBP occur) (PP (IN in) (NP (DT a) (CD 11) (NN year) (NN cycle)))) (. .)))