Each year, we help thousands of people who face tremendous obstacles.
( ( Each year ) ( , ( we ( ( help ( thousands ( of ( people ( who ( face ( tremendous obstacles ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (NP (DT Each) (NN year)) (, ,) (NP (PRP we)) (VP (VBP help) (NP (NP (NNS thousands)) (PP (IN of) (NP (NP (NNS people)) (SBAR (WHNP (WP who)) (S (VP (VBP face) (NP (JJ tremendous) (NNS obstacles))))))))) (. .)))
The people we help are faced with huge obstacles.
( ( ( The people ) ( we help ) ) ( ( are ( faced ( with ( huge obstacles ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS people)) (SBAR (S (NP (PRP we)) (VP (VBP help))))) (VP (VBP are) (VP (VBN faced) (PP (IN with) (NP (JJ huge) (NNS obstacles))))) (. .)))