++++Time                                          0.00 seconds (98.93 total)
Found 8 linkages (8 with no P.P. violations)
  Linkage 1, cost vector = (UNUSED=0 DIS=0 AND=0 LEN=16)

    +--------------------------------Xp-------------------------------+
    |                      +--------------MVt-------------+           |
    +------Wd------+       +--------MVp--------+          |           |
    |       +-Dmcm-+--Spx--+-Pp-+--Jp--+       +-Jp-+     +--Opc-+    |
    |       |      |       |    |      |       |    |     |      |    |
LEFT-WALL more persons.n are.v in proximity.n to pigs.n than sharks.n . 

Constituent tree:

(S (NP more persons)
   (VP are
       (PP in
           (NP proximity))
       (PP to
           (NP pigs))
       (PP than
           (NP sharks)))
   .)