Did M1 , M3 , and M4 influence a character and influence M2
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
M1 ns:influence.influence_node.influenced ?x0 .
M1 ns:influence.influence_node.influenced M2 .
M3 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced M2 .
M4 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced M2
}