NASA originally planned for ten Moon landingsApollo 11 through Apollo 20but the program stalled at Apollo 17. 'Sit or lay motionless for at least ten minutes  and do nothing. A supermoon was once believed to cause a disturbance in people's emotions. 4. 2.
Tomorrow may be a moon landing.
( z0 possible :ARG1 ( z1 land :ARG4 ( z2 moon ) :time ( z3 tomorrow ) ) )
(z0 / possible-01
    :ARG1 (z1 / land-01
              :ARG4 (z2 / moon)
              :time (z3 / tomorrow)))
Tomorrow may be a moon landing .
z1 :ARG4 z2
z0 :ARG1 z1
z1 :time z3