Unable to find a suitable version for underscore, please choose one:
    1) underscore#1.4.4 - 1.6.0 which resolved to 1.6.0 and is required by backbone.marionette#2.4.1
    2) underscore#>=1.4.0 <=1.6.0 which resolved to 1.6.0 and is required by backbone.babysitter#0.1.6
    3) underscore#>=1.3.3 <=1.7.0 which resolved to 1.6.0 and is required by backbone.wreqr#1.3.2
    4) underscore#>=1.5.0 which resolved to 1.8.3 and is required by backbone#1.1.2
    5) underscore#~1.8.3 which resolved to 1.8.3

Prefix the choice with ! to persist it to bower.json

? Answer: !5