import re

# Input text
input_text = """
object-group service service_group_proto_3
 service-object object proto_3 
object-group user DM_INLINE_USER_3
 group-object user_group2
 group-object test_user_group
object-group user DM_INLINE_USER_4
 group-object user_group_all
 user LOCAL\\ussss
object-group user DM_INLINE_USER_5
 group-object test_user_group
 group-object user_group2
object-group protocol nda
 group-object TCPUDP
object-group service tcpudp tcp-udp
 group-object tcpudp_serv_group1
object-group network DM_INLINE_NETWORK_1
 group-object net_group3
 network-object object tetetet
object-group protocol ip_proto_group
 protocol-object ip
object-group protocol TTCCPPUUDDPP
 protocol-object udp
 protocol-object tcp
object-group protocol DM_INLINE_PROTOCOL_2
 protocol-object icmp
 protocol-object icmp6
object-group network U_NETWORK
 network-object host 10.1.46.10
 network-object host 12.16.10.61
 network-object host 100.60.4.2
object-group network ds_group_2
 network-object ::/1
 network-object host fc::ee
 network-object 1.2.3.0 255.255.255.0
 network-object host 1.2.3.4
access-list OUTSIDE_access_in remark Test new description one
"""


def filter_necessary_data(text: str):
    result = []
    lines = text.splitlines()
    
    i = 0
    while i < len(lines):
        if lines[i].startswith("object-group network"):
            result.append(lines[i])
            i += 1
            while i < len(lines) and lines[i].startswith(" "):
                result.append(lines[i])
                i += 1
        else:
            i += 1
    
    return result


print(filter_necessary_data(input_text))