pogonip Another sure-fire dictionary  not a quick drink snatched while riding a bouncy stick, but a fog laden with particles of ice.
( ( pogonip ( ( ( Another ( sure-fire dictionary ) ) ( ( not ( a ( quick drink ) ) ) ( snatched ( while ( ( riding ( a bouncy ) ) stick ) ) ) ) ) ( , ( but ( ( a fog ) ( laden ( with ( particles ( of ice ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB pogonip) (UCP (NP (NP (DT Another) (JJ sure-fire) (NN dictionary)) (SBAR (S (NP (RB not) (DT a) (JJ quick) (NN drink)) (VP (VBD snatched) (SBAR (IN while) (S (S (VP (VBG riding) (NP (DT a) (NN bouncy)))) (VP (VBP stick)))))))) (, ,) (CC but) (ADJP (NP (DT a) (NN fog)) (JJ laden) (PP (IN with) (NP (NP (NNS particles)) (PP (IN of) (NP (NN ice)))))))) (. .)))
Trying to drink while riding a stick is very difficult.
( ( Trying ( to ( drink ( while ( riding ( a stick ) ) ) ) ) ) ( ( is ( very difficult ) ) . ) )
(ROOT (S (S (VP (VBG Trying) (S (VP (TO to) (VP (VB drink) (SBAR (IN while) (S (VP (VBG riding) (NP (DT a) (NN stick)))))))))) (VP (VBZ is) (ADJP (RB very) (JJ difficult))) (. .)))