I picture muskrats wallowing about in the mire and paddling sluggishly through the water, but I wouldn't call that rambling.
( ( ( ( ( I ( picture ( muskrats ( ( ( ( wallowing about ) ( in ( the mire ) ) ) and ) ( ( paddling sluggishly ) ( through ( the water ) ) ) ) ) ) ) , ) but ) ( I ( ( would n't ) ( call ( that rambling ) ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (VBP picture) (S (NP (NNS muskrats)) (VP (VP (VBG wallowing) (IN about) (PP (IN in) (NP (DT the) (NN mire)))) (CC and) (VP (VBG paddling) (ADVP (RB sluggishly)) (PP (IN through) (NP (DT the) (NN water)))))))) (, ,) (CC but) (S (NP (PRP I)) (VP (MD would) (RB n't) (VP (VB call) (NP (DT that) (NN rambling))))) (. .)))
A group of muskrats showed up and startled me.
( ( ( A group ) ( of muskrats ) ) ( ( ( ( showed up ) and ) ( startled me ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN group)) (PP (IN of) (NP (NNS muskrats)))) (VP (VP (VBD showed) (PRT (RP up))) (CC and) (VP (VBD startled) (NP (PRP me)))) (. .)))