 Condo living, the spread of AIDS through prostitutes and veterinary surgery. 
( ( ( ( Condo living ) , ) ( ( the spread ) ( of ( AIDS ( through ( ( prostitutes and ) ( veterinary surgery ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Condo) (NN living)) (, ,) (NP (NP (DT the) (NN spread)) (PP (IN of) (NP (NP (NNP AIDS)) (PP (IN through) (NP (NP (NNS prostitutes)) (CC and) (NP (JJ veterinary) (NN surgery))))))) (. .)))
The spread of Lupus through prostitutes and veterinary surgery.
( ( ( ( The spread ) ( of Lupus ) ) ( through ( ( prostitutes and ) ( veterinary surgery ) ) ) ) . )
(ROOT (NP (NP (DT The) (NN spread)) (PP (IN of) (NP (NNP Lupus))) (PP (IN through) (NP (NP (NNS prostitutes)) (CC and) (NP (JJ veterinary) (NN surgery)))) (. .)))