Hello! I am new in STATA. Please help me with this issue
I need to drop observations with "choice"
Record_id Trial Alternative Info_obs
8 2 2 choice
8 3 1 choice
9 1 1 rand
9 1 2 rand
9 2 1 rand
Here is variable info:

storage display value
variable name type format label variable label
------------------------------------------------------------------------------------------------------------
Info_obs str12 %12s Info_obs

I would appriciate any help.